Example usage for org.springframework.http HttpHeaders setAcceptCharset

List of usage examples for org.springframework.http HttpHeaders setAcceptCharset

Introduction

In this page you can find the example usage for org.springframework.http HttpHeaders setAcceptCharset.

Prototype

public void setAcceptCharset(List<Charset> acceptableCharsets) 

Source Link

Document

Set the list of acceptable Charset charsets , as specified by the Accept-Charset header.

Usage

From source file:com.facetime.cloud.server.support.UTF8HttpMessageConverter.java

@Override
protected void writeInternal(String s, HttpOutputMessage outputMessage) throws IOException {
    HttpHeaders headers = outputMessage.getHeaders();
    if (!"UTF-8".equalsIgnoreCase(headers.getContentType().getCharSet().displayName())) {
        headers.setContentType(UTF_8_MEDIA_TYPE);
    }/*from w ww . j  av  a2 s.c  o  m*/

    if (writeAcceptCharset) {
        headers.setAcceptCharset(getAcceptedCharsets());
    }
    MediaType contentType = outputMessage.getHeaders().getContentType();
    Charset charset = contentType.getCharSet() != null ? contentType.getCharSet() : DEFAULT_CHARSET;
    FileCopyUtils.copy(s, new OutputStreamWriter(outputMessage.getBody(), charset));
}

From source file:net.paslavsky.springrest.HttpHeadersHelper.java

public HttpHeaders getHttpHeaders(Map<String, Integer> headerParameters, Object[] arguments) {
    HttpHeaders headers = new HttpHeaders();
    for (String headerName : headerParameters.keySet()) {
        Object headerValue = arguments[headerParameters.get(headerName)];
        if (headerValue != null) {
            if (ACCEPT.equalsIgnoreCase(headerName)) {
                headers.setAccept(toList(headerValue, MediaType.class));
            } else if (ACCEPT_CHARSET.equalsIgnoreCase(headerName)) {
                headers.setAcceptCharset(toList(headerValue, Charset.class));
            } else if (ALLOW.equalsIgnoreCase(headerName)) {
                headers.setAllow(toSet(headerValue, HttpMethod.class));
            } else if (CONNECTION.equalsIgnoreCase(headerName)) {
                headers.setConnection(toList(headerValue, String.class));
            } else if (CONTENT_DISPOSITION.equalsIgnoreCase(headerName)) {
                setContentDisposition(headers, headerName, headerValue);
            } else if (CONTENT_LENGTH.equalsIgnoreCase(headerName)) {
                headers.setContentLength(toLong(headerValue));
            } else if (CONTENT_TYPE.equalsIgnoreCase(headerName)) {
                headers.setContentType(toMediaType(headerValue));
            } else if (DATE.equalsIgnoreCase(headerName)) {
                headers.setDate(toLong(headerValue));
            } else if (ETAG.equalsIgnoreCase(headerName)) {
                headers.setETag(toString(headerValue));
            } else if (EXPIRES.equalsIgnoreCase(headerName)) {
                headers.setExpires(toLong(headerValue));
            } else if (IF_MODIFIED_SINCE.equalsIgnoreCase(headerName)) {
                headers.setIfModifiedSince(toLong(headerValue));
            } else if (IF_NONE_MATCH.equalsIgnoreCase(headerName)) {
                headers.setIfNoneMatch(toList(headerValue, String.class));
            } else if (LAST_MODIFIED.equalsIgnoreCase(headerName)) {
                headers.setLastModified(toLong(headerValue));
            } else if (LOCATION.equalsIgnoreCase(headerName)) {
                headers.setLocation(toURI(headerValue));
            } else if (ORIGIN.equalsIgnoreCase(headerName)) {
                headers.setOrigin(toString(headerValue));
            } else if (PRAGMA.equalsIgnoreCase(headerName)) {
                headers.setPragma(toString(headerValue));
            } else if (UPGRADE.equalsIgnoreCase(headerName)) {
                headers.setUpgrade(toString(headerValue));
            } else if (headerValue instanceof String) {
                headers.set(headerName, (String) headerValue);
            } else if (headerValue instanceof String[]) {
                headers.put(headerName, Arrays.asList((String[]) headerValue));
            } else if (instanceOf(headerValue, String.class)) {
                headers.put(headerName, toList(headerValue, String.class));
            } else {
                headers.set(headerName, conversionService.convert(headerValue, String.class));
            }//  w  ww . j  av  a2s.  c  o m
        }
    }
    return headers;
}

From source file:ru.anr.base.facade.web.api.RestClient.java

/**
 * Applying for default headers/*from  w w w.  j  a  v  a  2  s .  c o  m*/
 * 
 * @return {@link HttpHeaders} object
 */
protected HttpHeaders applyHeaders() {

    HttpHeaders hh = new HttpHeaders();
    if (contentType != null) {
        hh.setContentType(contentType);
    }
    if (accept != null) {
        hh.setAccept(list(accept));
        hh.setAcceptCharset(list(Charset.forName("utf-8")));
    }

    if (basicCredentials != null) {
        hh.add("Authorization", basicCredentials);
    }

    return hh;
}

From source file:org.springframework.cloud.stream.app.http.source.DefaultMixedCaseContentTypeHttpHeaderMapper.java

private void setHttpHeader(HttpHeaders target, String name, Object value) {
    if (ACCEPT.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<MediaType> acceptableMediaTypes = new ArrayList<MediaType>();
                for (Object type : values) {
                    if (type instanceof MediaType) {
                        acceptableMediaTypes.add((MediaType) type);
                    } else if (type instanceof String) {
                        acceptableMediaTypes.addAll(MediaType.parseMediaTypes((String) type));
                    } else {
                        Class<?> clazz = (type != null) ? type.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected MediaType or String value for 'Accept' header value, but received: "
                                        + clazz);
                    }//from  ww w  .  ja  v  a 2  s  . c  om
                }
                target.setAccept(acceptableMediaTypes);
            }
        } else if (value instanceof MediaType) {
            target.setAccept(Collections.singletonList((MediaType) value));
        } else if (value instanceof String[]) {
            List<MediaType> acceptableMediaTypes = new ArrayList<MediaType>();
            for (String next : (String[]) value) {
                acceptableMediaTypes.add(MediaType.parseMediaType(next));
            }
            target.setAccept(acceptableMediaTypes);
        } else if (value instanceof String) {
            target.setAccept(MediaType.parseMediaTypes((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected MediaType or String value for 'Accept' header value, but received: " + clazz);
        }
    } else if (ACCEPT_CHARSET.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<Charset> acceptableCharsets = new ArrayList<Charset>();
                for (Object charset : values) {
                    if (charset instanceof Charset) {
                        acceptableCharsets.add((Charset) charset);
                    } else if (charset instanceof String) {
                        acceptableCharsets.add(Charset.forName((String) charset));
                    } else {
                        Class<?> clazz = (charset != null) ? charset.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected Charset or String value for 'Accept-Charset' header value, but received: "
                                        + clazz);
                    }
                }
                target.setAcceptCharset(acceptableCharsets);
            }
        } else if (value instanceof Charset[] || value instanceof String[]) {
            List<Charset> acceptableCharsets = new ArrayList<Charset>();
            Object[] values = ObjectUtils.toObjectArray(value);
            for (Object charset : values) {
                if (charset instanceof Charset) {
                    acceptableCharsets.add((Charset) charset);
                } else if (charset instanceof String) {
                    acceptableCharsets.add(Charset.forName((String) charset));
                }
            }
            target.setAcceptCharset(acceptableCharsets);
        } else if (value instanceof Charset) {
            target.setAcceptCharset(Collections.singletonList((Charset) value));
        } else if (value instanceof String) {
            String[] charsets = StringUtils.commaDelimitedListToStringArray((String) value);
            List<Charset> acceptableCharsets = new ArrayList<Charset>();
            for (String charset : charsets) {
                acceptableCharsets.add(Charset.forName(charset.trim()));
            }
            target.setAcceptCharset(acceptableCharsets);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Charset or String value for 'Accept-Charset' header value, but received: "
                            + clazz);
        }
    } else if (ALLOW.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                for (Object method : values) {
                    if (method instanceof HttpMethod) {
                        allowedMethods.add((HttpMethod) method);
                    } else if (method instanceof String) {
                        allowedMethods.add(HttpMethod.valueOf((String) method));
                    } else {
                        Class<?> clazz = (method != null) ? method.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected HttpMethod or String value for 'Allow' header value, but received: "
                                        + clazz);
                    }
                }
                target.setAllow(allowedMethods);
            }
        } else {
            if (value instanceof HttpMethod) {
                target.setAllow(Collections.singleton((HttpMethod) value));
            } else if (value instanceof HttpMethod[]) {
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                Collections.addAll(allowedMethods, (HttpMethod[]) value);
                target.setAllow(allowedMethods);
            } else if (value instanceof String || value instanceof String[]) {
                String[] values = (value instanceof String[]) ? (String[]) value
                        : StringUtils.commaDelimitedListToStringArray((String) value);
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                for (String next : values) {
                    allowedMethods.add(HttpMethod.valueOf(next.trim()));
                }
                target.setAllow(allowedMethods);
            } else {
                Class<?> clazz = (value != null) ? value.getClass() : null;
                throw new IllegalArgumentException(
                        "Expected HttpMethod or String value for 'Allow' header value, but received: " + clazz);
            }
        }
    } else if (CACHE_CONTROL.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setCacheControl((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'Cache-Control' header value, but received: " + clazz);
        }
    } else if (CONTENT_LENGTH.equalsIgnoreCase(name)) {
        if (value instanceof Number) {
            target.setContentLength(((Number) value).longValue());
        } else if (value instanceof String) {
            target.setContentLength(Long.parseLong((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Number or String value for 'Content-Length' header value, but received: "
                            + clazz);
        }
    } else if (MessageHeaders.CONTENT_TYPE.equalsIgnoreCase(name)) {
        if (value instanceof MediaType) {
            target.setContentType((MediaType) value);
        } else if (value instanceof String) {
            target.setContentType(MediaType.parseMediaType((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected MediaType or String value for 'Content-Type' header value, but received: "
                            + clazz);
        }
    } else if (DATE.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setDate(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setDate(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setDate(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setDate(this.getFirstDate((String) value, DATE));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Date' header value, but received: " + clazz);
        }
    } else if (ETAG.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setETag((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'ETag' header value, but received: " + clazz);
        }
    } else if (EXPIRES.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setExpires(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setExpires(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setExpires(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setExpires(this.getFirstDate((String) value, EXPIRES));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Expires' header value, but received: "
                            + clazz);
        }
    } else if (IF_MODIFIED_SINCE.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setIfModifiedSince(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setIfModifiedSince(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setIfModifiedSince(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setIfModifiedSince(this.getFirstDate((String) value, IF_MODIFIED_SINCE));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'If-Modified-Since' header value, but received: "
                            + clazz);
        }
    } else if (IF_UNMODIFIED_SINCE.equalsIgnoreCase(name)) {
        String ifUnmodifiedSinceValue = null;
        if (value instanceof Date) {
            ifUnmodifiedSinceValue = this.formatDate(((Date) value).getTime());
        } else if (value instanceof Number) {
            ifUnmodifiedSinceValue = this.formatDate(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                ifUnmodifiedSinceValue = this.formatDate(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                long longValue = this.getFirstDate((String) value, IF_UNMODIFIED_SINCE);
                ifUnmodifiedSinceValue = this.formatDate(longValue);
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'If-Unmodified-Since' header value, but received: "
                            + clazz);
        }
        target.set(IF_UNMODIFIED_SINCE, ifUnmodifiedSinceValue);
    } else if (IF_NONE_MATCH.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setIfNoneMatch((String) value);
        } else if (value instanceof String[]) {
            String delmitedString = StringUtils.arrayToCommaDelimitedString((String[]) value);
            target.setIfNoneMatch(delmitedString);
        } else if (value instanceof Collection) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<String> ifNoneMatchList = new ArrayList<String>();
                for (Object next : values) {
                    if (next instanceof String) {
                        ifNoneMatchList.add((String) next);
                    } else {
                        Class<?> clazz = (next != null) ? next.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected String value for 'If-None-Match' header value, but received: "
                                        + clazz);
                    }
                }
                target.setIfNoneMatch(ifNoneMatchList);
            }
        }
    } else if (LAST_MODIFIED.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setLastModified(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setLastModified(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setLastModified(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setLastModified(this.getFirstDate((String) value, LAST_MODIFIED));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Last-Modified' header value, but received: "
                            + clazz);
        }
    } else if (LOCATION.equalsIgnoreCase(name)) {
        if (value instanceof URI) {
            target.setLocation((URI) value);
        } else if (value instanceof String) {
            try {
                target.setLocation(new URI((String) value));
            } catch (URISyntaxException e) {
                throw new IllegalArgumentException(e);
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected URI or String value for 'Location' header value, but received: " + clazz);
        }
    } else if (PRAGMA.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setPragma((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'Pragma' header value, but received: " + clazz);
        }
    } else if (value instanceof String) {
        target.set(name, (String) value);
    } else if (value instanceof String[]) {
        for (String next : (String[]) value) {
            target.add(name, next);
        }
    } else if (value instanceof Iterable<?>) {
        for (Object next : (Iterable<?>) value) {
            String convertedValue = null;
            if (next instanceof String) {
                convertedValue = (String) next;
            } else {
                convertedValue = this.convertToString(value);
            }
            if (StringUtils.hasText(convertedValue)) {
                target.add(name, convertedValue);
            } else {
                logger.warn("Element of the header '" + name + "' with value '" + value
                        + "' will not be set since it is not a String and no Converter is available. "
                        + "Consider registering a Converter with ConversionService (e.g., <int:converter>)");
            }
        }
    } else {
        String convertedValue = this.convertToString(value);
        if (StringUtils.hasText(convertedValue)) {
            target.set(name, convertedValue);
        } else {
            logger.warn("Header '" + name + "' with value '" + value
                    + "' will not be set since it is not a String and no Converter is available. "
                    + "Consider registering a Converter with ConversionService (e.g., <int:converter>)");
        }
    }
}

From source file:org.springframework.integration.http.support.DefaultHttpHeaderMapper.java

private void setHttpHeader(HttpHeaders target, String name, Object value) {
    if (ACCEPT.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<MediaType> acceptableMediaTypes = new ArrayList<MediaType>();
                for (Object type : values) {
                    if (type instanceof MediaType) {
                        acceptableMediaTypes.add((MediaType) type);
                    } else if (type instanceof String) {
                        acceptableMediaTypes.addAll(MediaType.parseMediaTypes((String) type));
                    } else {
                        Class<?> clazz = (type != null) ? type.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected MediaType or String value for 'Accept' header value, but received: "
                                        + clazz);
                    }//from www  . ja va 2 s.co m
                }
                target.setAccept(acceptableMediaTypes);
            }
        } else if (value instanceof MediaType) {
            target.setAccept(Collections.singletonList((MediaType) value));
        } else if (value instanceof String[]) {
            List<MediaType> acceptableMediaTypes = new ArrayList<MediaType>();
            for (String next : (String[]) value) {
                acceptableMediaTypes.add(MediaType.parseMediaType(next));
            }
            target.setAccept(acceptableMediaTypes);
        } else if (value instanceof String) {
            target.setAccept(MediaType.parseMediaTypes((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected MediaType or String value for 'Accept' header value, but received: " + clazz);
        }
    } else if (ACCEPT_CHARSET.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<Charset> acceptableCharsets = new ArrayList<Charset>();
                for (Object charset : values) {
                    if (charset instanceof Charset) {
                        acceptableCharsets.add((Charset) charset);
                    } else if (charset instanceof String) {
                        acceptableCharsets.add(Charset.forName((String) charset));
                    } else {
                        Class<?> clazz = (charset != null) ? charset.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected Charset or String value for 'Accept-Charset' header value, but received: "
                                        + clazz);
                    }
                }
                target.setAcceptCharset(acceptableCharsets);
            }
        } else if (value instanceof Charset[] || value instanceof String[]) {
            List<Charset> acceptableCharsets = new ArrayList<Charset>();
            Object[] values = ObjectUtils.toObjectArray(value);
            for (Object charset : values) {
                if (charset instanceof Charset) {
                    acceptableCharsets.add((Charset) charset);
                } else if (charset instanceof String) {
                    acceptableCharsets.add(Charset.forName((String) charset));
                }
            }
            target.setAcceptCharset(acceptableCharsets);
        } else if (value instanceof Charset) {
            target.setAcceptCharset(Collections.singletonList((Charset) value));
        } else if (value instanceof String) {
            String[] charsets = StringUtils.commaDelimitedListToStringArray((String) value);
            List<Charset> acceptableCharsets = new ArrayList<Charset>();
            for (String charset : charsets) {
                acceptableCharsets.add(Charset.forName(charset.trim()));
            }
            target.setAcceptCharset(acceptableCharsets);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Charset or String value for 'Accept-Charset' header value, but received: "
                            + clazz);
        }
    } else if (ALLOW.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                for (Object method : values) {
                    if (method instanceof HttpMethod) {
                        allowedMethods.add((HttpMethod) method);
                    } else if (method instanceof String) {
                        allowedMethods.add(HttpMethod.valueOf((String) method));
                    } else {
                        Class<?> clazz = (method != null) ? method.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected HttpMethod or String value for 'Allow' header value, but received: "
                                        + clazz);
                    }
                }
                target.setAllow(allowedMethods);
            }
        } else {
            if (value instanceof HttpMethod) {
                target.setAllow(Collections.singleton((HttpMethod) value));
            } else if (value instanceof HttpMethod[]) {
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                for (HttpMethod next : (HttpMethod[]) value) {
                    allowedMethods.add(next);
                }
                target.setAllow(allowedMethods);
            } else if (value instanceof String || value instanceof String[]) {
                String[] values = (value instanceof String[]) ? (String[]) value
                        : StringUtils.commaDelimitedListToStringArray((String) value);
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                for (String next : values) {
                    allowedMethods.add(HttpMethod.valueOf(next.trim()));
                }
                target.setAllow(allowedMethods);
            } else {
                Class<?> clazz = (value != null) ? value.getClass() : null;
                throw new IllegalArgumentException(
                        "Expected HttpMethod or String value for 'Allow' header value, but received: " + clazz);
            }
        }
    } else if (CACHE_CONTROL.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setCacheControl((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'Cache-Control' header value, but received: " + clazz);
        }
    } else if (CONTENT_LENGTH.equalsIgnoreCase(name)) {
        if (value instanceof Number) {
            target.setContentLength(((Number) value).longValue());
        } else if (value instanceof String) {
            target.setContentLength(Long.parseLong((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Number or String value for 'Content-Length' header value, but received: "
                            + clazz);
        }
    } else if (CONTENT_TYPE.equalsIgnoreCase(name)) {
        if (value instanceof MediaType) {
            target.setContentType((MediaType) value);
        } else if (value instanceof String) {
            target.setContentType(MediaType.parseMediaType((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected MediaType or String value for 'Content-Type' header value, but received: "
                            + clazz);
        }
    } else if (DATE.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setDate(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setDate(((Number) value).longValue());
        } else if (value instanceof String) {
            target.setDate(Long.parseLong((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Date' header value, but received: " + clazz);
        }
    } else if (ETAG.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setETag((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'ETag' header value, but received: " + clazz);
        }
    } else if (EXPIRES.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setExpires(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setExpires(((Number) value).longValue());
        } else if (value instanceof String) {
            target.setExpires(Long.parseLong((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Expires' header value, but received: "
                            + clazz);
        }
    } else if (IF_MODIFIED_SINCE.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setIfModifiedSince(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setIfModifiedSince(((Number) value).longValue());
        } else if (value instanceof String) {
            target.setIfModifiedSince(Long.parseLong((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'If-Modified-Since' header value, but received: "
                            + clazz);
        }
    } else if (IF_NONE_MATCH.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setIfNoneMatch((String) value);
        } else if (value instanceof String[]) {
            String delmitedString = StringUtils.arrayToCommaDelimitedString((String[]) value);
            target.setIfNoneMatch(delmitedString);
        } else if (value instanceof Collection) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<String> ifNoneMatchList = new ArrayList<String>();
                for (Object next : values) {
                    if (next instanceof String) {
                        ifNoneMatchList.add((String) next);
                    } else {
                        Class<?> clazz = (next != null) ? next.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected String value for 'If-None-Match' header value, but received: "
                                        + clazz);
                    }
                }
                target.setIfNoneMatch(ifNoneMatchList);
            }
        }
    } else if (LAST_MODIFIED.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setLastModified(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setLastModified(((Number) value).longValue());
        } else if (value instanceof String) {
            target.setLastModified(Long.parseLong((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Last-Modified' header value, but received: "
                            + clazz);
        }
    } else if (LOCATION.equalsIgnoreCase(name)) {
        if (value instanceof URI) {
            target.setLocation((URI) value);
        } else if (value instanceof String) {
            try {
                target.setLocation(new URI((String) value));
            } catch (URISyntaxException e) {
                throw new IllegalArgumentException(e);
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected URI or String value for 'Location' header value, but received: " + clazz);
        }
    } else if (PRAGMA.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setPragma((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'Pragma' header value, but received: " + clazz);
        }
    } else if (value instanceof String) {
        target.set(name, (String) value);
    } else if (value instanceof String[]) {
        for (String next : (String[]) value) {
            target.add(name, next);
        }
    } else if (value instanceof Iterable<?>) {
        for (Object next : (Iterable<?>) value) {
            String convertedValue = null;
            if (next instanceof String) {
                convertedValue = (String) next;
            } else {
                convertedValue = this.convertToString(value);
            }
            if (StringUtils.hasText(convertedValue)) {
                target.add(name, (String) next);
            } else {
                logger.warn("Element of the header '" + name + "' with value '" + value
                        + "' will not be set since it is not a String and no Converter "
                        + "is available. Consider registering a Converter with ConversionService (e.g., <int:converter>)");
            }
        }
    } else {
        String convertedValue = this.convertToString(value);
        if (StringUtils.hasText(convertedValue)) {
            target.set(name, convertedValue);
        } else {
            logger.warn("Header '" + name + "' with value '" + value
                    + "' will not be set since it is not a String and no Converter "
                    + "is available. Consider registering a Converter with ConversionService (e.g., <int:converter>)");
        }
    }
}