Example usage for com.google.common.io CharStreams asWriter

Introduction

In this page you can find the example usage for com.google.common.io CharStreams asWriter.

Prototype

public static Writer asWriter(Appendable target)

Source Link

Document

Returns a Writer that sends all output to the given Appendable target.

Usage

From source file:co.cask.cdap.internal.io.Schema.java

/**
 * Helper method to encode this schema into json string.
 *
 * @return A json string representing this schema.
 *//*from   w  w w.j  av a2  s . c  om*/
private String buildString() {
    if (type.isSimpleType()) {
        return '"' + type.name().toLowerCase() + '"';
    }
    StringBuilder builder = new StringBuilder();
    JsonWriter writer = new JsonWriter(CharStreams.asWriter(builder));
    try {
        new co.cask.cdap.internal.io.SchemaTypeAdapter().write(writer, this);
        writer.close();
        return builder.toString();
    } catch (IOException e) {
        // It should never throw IOException on the StringBuilder Writer, if it does, something very wrong.
        throw Throwables.propagate(e);
    }
}

From source file:co.cask.tigon.internal.io.Schema.java

/**
 * Helper method to encode this schema into json string.
 *
 * @return A json string representing this schema.
 */// w ww  .j a va  2s .co m
private String buildString() {
    if (type.isSimpleType()) {
        return '"' + type.name().toLowerCase() + '"';
    }
    StringBuilder builder = new StringBuilder();
    JsonWriter writer = new JsonWriter(CharStreams.asWriter(builder));
    try {
        new SchemaTypeAdapter().write(writer, this);
        writer.close();
        return builder.toString();
    } catch (IOException e) {
        // It should never throw IOException on the StringBuilder Writer, if it does, something very wrong.
        throw Throwables.propagate(e);
    }
}

From source file:co.cask.common.internal.io.Schema.java

/**
 * Helper method to encode this schema into json string.
 *
 * @return A json string representing this schema.
 *//*from  w  w  w . j  a  va  2s .  co m*/
private String buildString() {
    if (type.isSimpleType()) {
        return '"' + type.name().toLowerCase() + '"';
    }
    StringBuilder builder = new StringBuilder();
    JsonWriter writer = new JsonWriter(CharStreams.asWriter(builder));
    try {
        new co.cask.common.internal.io.SchemaTypeAdapter().write(writer, this);
        writer.close();
        return builder.toString();
    } catch (IOException e) {
        // It should never throw IOException on the StringBuilder Writer, if it does, something very wrong.
        throw Throwables.propagate(e);
    }
}

From source file:org.glowroot.ui.JvmJsonService.java

private String getAgentUnsupportedOperationResponse(String agentId) throws Exception {
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {/*from  www .  ja  v a 2  s . co  m*/
        jg.writeStartObject();
        jg.writeStringField("agentUnsupportedOperation", getAgentVersion(agentId));
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

From source file:org.glowroot.ui.AdminJsonService.java

@POST(path = "/backend/admin/test-http-proxy", permission = "admin:edit:httpProxy")
String testHttpProxy(@BindRequest HttpProxyConfigDto configDto) throws IOException {
    // capturing newPlainPassword separately so that newPassword doesn't go through
    // encryption/decryption which has possibility of throwing
    // org.glowroot.common.repo.util.LazySecretKey.SymmetricEncryptionKeyMissingException
    HttpProxyConfigDto configDtoWithoutNewPassword;
    String passwordOverride;/* www . j a  va  2 s. c  om*/
    String newPassword = configDto.newPassword();
    if (newPassword.isEmpty()) {
        configDtoWithoutNewPassword = configDto;
        passwordOverride = null;
    } else {
        configDtoWithoutNewPassword = ImmutableHttpProxyConfigDto.builder().copyFrom(configDto).newPassword("")
                .build();
        passwordOverride = newPassword;
    }
    String testUrl = configDtoWithoutNewPassword.testUrl();
    checkNotNull(testUrl);
    URI uri;
    try {
        uri = new URI(testUrl);
    } catch (URISyntaxException e) {
        logger.debug(e.getMessage(), e);
        return createErrorResponse(e);
    }
    if (uri.getScheme() == null) {
        return createErrorResponse("Invalid url, missing protocol (e.g. http://)");
    }
    if (uri.getHost() == null) {
        return createErrorResponse("Invalid url, missing host");
    }
    String responseContent;
    try {
        responseContent = httpClient.getWithHttpProxyConfigOverride(testUrl,
                configDtoWithoutNewPassword.convert(configRepository), passwordOverride);
    } catch (Exception e) {
        logger.debug(e.getMessage(), e);
        return createErrorResponse(e);
    }
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {
        jg.writeStartObject();
        jg.writeStringField("content", responseContent);
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

From source file:org.glowroot.ui.AdminJsonService.java

@POST(path = "/backend/admin/test-ldap", permission = "admin:edit:ldap")
String testLdap(@BindRequest LdapConfigDto configDto) throws Exception {
    // capturing newPlainPassword separately so that newPassword doesn't go through
    // encryption/decryption which has possibility of throwing
    // org.glowroot.common.repo.util.LazySecretKey.SymmetricEncryptionKeyMissingException
    LdapConfigDto configDtoWithoutNewPassword;
    String passwordOverride;/*from  w w  w. j a  v a 2 s .c om*/
    String newPassword = configDto.newPassword();
    if (newPassword.isEmpty()) {
        configDtoWithoutNewPassword = configDto;
        passwordOverride = null;
    } else {
        configDtoWithoutNewPassword = ImmutableLdapConfigDto.builder().copyFrom(configDto).newPassword("")
                .build();
        passwordOverride = newPassword;
    }
    LdapConfig config = configDtoWithoutNewPassword.convert(configRepository);
    String authTestUsername = checkNotNull(configDtoWithoutNewPassword.authTestUsername());
    String authTestPassword = checkNotNull(configDtoWithoutNewPassword.authTestPassword());
    Set<String> ldapGroupDns;
    try {
        ldapGroupDns = LdapAuthentication.authenticateAndGetLdapGroupDns(authTestUsername, authTestPassword,
                config, passwordOverride, configRepository.getLazySecretKey());
    } catch (AuthenticationException e) {
        logger.debug(e.getMessage(), e);
        return createErrorResponse(e);
    }
    Set<String> glowrootRoles = LdapAuthentication.getGlowrootRoles(ldapGroupDns, config);
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {
        jg.writeStartObject();
        jg.writeObjectField("ldapGroupDns", ldapGroupDns);
        jg.writeObjectField("glowrootRoles", glowrootRoles);
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

From source file:co.cask.cdap.api.data.schema.Schema.java

/**
 * Helper method to encode this schema into json string.
 *
 * @return A json string representing this schema.
 *///from ww  w.  j  a v a 2 s  .c  o  m
private String buildString() {
    if (type.isSimpleType()) {
        return '"' + type.name().toLowerCase() + '"';
    }
    StringBuilder builder = new StringBuilder();
    JsonWriter writer = new JsonWriter(CharStreams.asWriter(builder));
    try {
        SCHEMA_TYPE_ADAPTER.write(writer, this);
        writer.close();
        return builder.toString();
    } catch (IOException e) {
        // It should never throw IOException on the StringBuilder Writer, if it does, something very wrong.
        throw Throwables.propagate(e);
    }
}

From source file:org.cloudsmith.geppetto.ui.editor.MetadataModel.java

synchronized void setDocument(IDocument document, IPath path, Diagnostic chain) {
    syntaxError = false;// w ww .  ja v a 2s  . c  om
    dependencyErrors = false;
    authorCall = null;
    descriptionCall = null;
    licenseCall = null;
    nameCall = null;
    projectPageCall = null;
    sourceCall = null;
    summaryCall = null;
    versionCall = null;
    dependencies.clear();
    this.document = document;
    if (document != null) {
        try {
            if (MODULEFILE_NAME.equals(path.lastSegment())) {
                if (rubyParser == null) {
                    serializer = RubyValueSerializer.INSTANCE;
                    rubyParser = new Parser();
                    rubyParserConfig = new ParserConfiguration(0, CompatVersion.RUBY1_9);
                }
                RootNode root = (RootNode) rubyParser.parse(path.toOSString(), new StringReader(document.get()),
                        rubyParserConfig);
                new LenientModulefileParser(this).parseRubyAST(root, chain);
            } else {
                if (jsonFactory == null) {
                    jsonFactory = new JsonFactory();
                    serializer = new ValueSerializer() {
                        @Override
                        public void serialize(Appendable bld, Object value) throws IOException {
                            JsonGenerator generator = jsonFactory
                                    .createJsonGenerator(CharStreams.asWriter(bld));
                            generator.setCodec(new ObjectMapper(jsonFactory));
                            generator.writeObject(value);
                            generator.flush();
                        }
                    };
                }
                new LenientMetadataJsonParser(this).parse(path.toFile(), document.get(), chain);
            }
            for (Dependency dep : dependencies) {
                boolean resolved = isResolved(dep);
                if (!resolved) {
                    FileDiagnostic diag = new FileDiagnostic(Diagnostic.ERROR, FORGE, getUnresolvedMessage(dep),
                            path.toFile());
                    diag.setLineNumber(dep.getLine());
                    chain.addChild(diag);
                    dependencyErrors = true;
                }
                dep.setResolved(resolved);
            }
        } catch (SyntaxException e) {
            syntaxError = true;
            chain.addChild(ModuleUtils.createSyntaxErrorDiagnostic(e, null));
        } catch (Exception e) {
            syntaxError = true;
            e.printStackTrace();
            chain.addChild(new ExceptionDiagnostic(Diagnostic.ERROR, PARSE_FAILURE,
                    "Unable to parse file " + path, e));
        }
    }
}

From source file:org.glowroot.ui.AdminJsonService.java

@POST(path = "/backend/admin/analyze-h2-disk-space", permission = "")
String analyzeH2DiskSpace(@BindAuthentication Authentication authentication) throws Exception {
    if (!offlineViewer && !authentication.isAdminPermitted("admin:edit:storage")) {
        throw new JsonServiceException(HttpResponseStatus.FORBIDDEN);
    }/*from   ww w.  j a va 2  s .c om*/
    long h2DataFileSize = repoAdmin.getH2DataFileSize();
    List<H2Table> tables = repoAdmin.analyzeH2DiskSpace();
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {
        jg.writeStartObject();
        jg.writeNumberField("h2DataFileSize", h2DataFileSize);
        jg.writeObjectField("tables", orderingByBytesDesc.sortedCopy(tables));
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

From source file:org.glowroot.ui.AdminJsonService.java

private static String createErrorResponse(@Nullable String message) throws IOException {
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {/*w  w w.  j a  va2s.  co m*/
        jg.writeStartObject();
        jg.writeBooleanField("error", true);
        jg.writeStringField("message", message);
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}