Example usage for com.google.gson.stream JsonReader nextString

List of usage examples for com.google.gson.stream JsonReader nextString

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Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader nextString.

Prototype

public String nextString() throws IOException

Source Link

Document

Returns the com.google.gson.stream.JsonToken#STRING string value of the next token, consuming it.

Usage

From source file:com.sap.core.odata.core.ep.consumer.JsonLinkConsumer.java

License:Apache License

/**
 * Reads single link with format <code>{"d":{"uri":"http://somelink"}}</code>
 * or <code>{"uri":"http://somelink"}</code>.
 * @param reader//from w ww.java 2s .  co  m
 * @param entitySet
 * @return link as string object
 * @throws EntityProviderException
 */
public String readLink(final JsonReader reader, final EdmEntitySet entitySet) throws EntityProviderException {
    try {
        String result;
        reader.beginObject();
        String nextName = reader.nextName();
        final boolean wrapped = FormatJson.D.equals(nextName);
        if (wrapped) {
            reader.beginObject();
            nextName = reader.nextName();
        }
        if (FormatJson.URI.equals(nextName) && reader.peek() == JsonToken.STRING) {
            result = reader.nextString();
        } else {
            throw new EntityProviderException(EntityProviderException.INVALID_CONTENT
                    .addContent(FormatJson.D + " or " + FormatJson.URI).addContent(nextName));
        }
        reader.endObject();
        if (wrapped) {
            reader.endObject();
        }

        reader.peek(); // to assert end of structure or document

        return result;
    } catch (final IOException e) {
        throw new EntityProviderException(
                EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass().getSimpleName()), e);
    } catch (final IllegalStateException e) {
        throw new EntityProviderException(
                EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass().getSimpleName()), e);
    }
}

From source file:com.sap.core.odata.core.ep.consumer.JsonLinkConsumer.java

License:Apache License

private List<String> readLinksArray(final JsonReader reader) throws IOException, EntityProviderException {
    List<String> links = new ArrayList<String>();

    reader.beginArray();/*from  www. j  ava2 s.  c  om*/
    while (reader.hasNext()) {
        reader.beginObject();
        String nextName = reader.nextName();
        if (FormatJson.URI.equals(nextName) && reader.peek() == JsonToken.STRING) {
            links.add(reader.nextString());
        } else {
            throw new EntityProviderException(
                    EntityProviderException.INVALID_CONTENT.addContent(FormatJson.URI).addContent(nextName));
        }
        reader.endObject();
    }
    reader.endArray();

    return links;
}

From source file:com.sap.core.odata.core.ep.consumer.JsonPropertyConsumer.java

License:Apache License

private Object readSimpleProperty(final JsonReader reader, final EntityPropertyInfo entityPropertyInfo,
        final Object typeMapping) throws EdmException, EntityProviderException, IOException {
    final EdmSimpleType type = (EdmSimpleType) entityPropertyInfo.getType();
    Object value = null;//  w  w  w.jav  a2s  .  c om
    final JsonToken tokenType = reader.peek();
    if (tokenType == JsonToken.NULL) {
        reader.nextNull();
    } else {
        switch (EdmSimpleTypeKind.valueOf(type.getName())) {
        case Boolean:
            if (tokenType == JsonToken.BOOLEAN) {
                value = reader.nextBoolean();
                value = value.toString();
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
                        .addContent(entityPropertyInfo.getName()));
            }
            break;
        case Byte:
        case SByte:
        case Int16:
        case Int32:
            if (tokenType == JsonToken.NUMBER) {
                value = reader.nextInt();
                value = value.toString();
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
                        .addContent(entityPropertyInfo.getName()));
            }
            break;
        default:
            if (tokenType == JsonToken.STRING) {
                value = reader.nextString();
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
                        .addContent(entityPropertyInfo.getName()));
            }
            break;
        }
    }

    final Class<?> typeMappingClass = typeMapping == null ? type.getDefaultType() : (Class<?>) typeMapping;
    return type.valueOfString((String) value, EdmLiteralKind.JSON, entityPropertyInfo.getFacets(),
            typeMappingClass);
}

From source file:com.sap.core.odata.core.ep.consumer.JsonPropertyConsumer.java

License:Apache License

@SuppressWarnings("unchecked")
private Object readComplexProperty(final JsonReader reader, final EntityComplexPropertyInfo complexPropertyInfo,
        final Object typeMapping) throws EdmException, EntityProviderException, IOException {
    if (reader.peek().equals(JsonToken.NULL)) {
        reader.nextNull();/*from   www.  j a va  2  s .c  o  m*/
        if (complexPropertyInfo.isMandatory()) {
            throw new EntityProviderException(
                    EntityProviderException.INVALID_PROPERTY_VALUE.addContent(complexPropertyInfo.getName()));
        }
        return null;
    }

    reader.beginObject();
    Map<String, Object> data = new HashMap<String, Object>();

    Map<String, Object> mapping;
    if (typeMapping != null) {
        if (typeMapping instanceof Map) {
            mapping = (Map<String, Object>) typeMapping;
        } else {
            throw new EntityProviderException(
                    EntityProviderException.INVALID_MAPPING.addContent(complexPropertyInfo.getName()));
        }
    } else {
        mapping = new HashMap<String, Object>();
    }

    while (reader.hasNext()) {
        String childName = reader.nextName();
        if (FormatJson.METADATA.equals(childName)) {
            reader.beginObject();
            childName = reader.nextName();
            if (!FormatJson.TYPE.equals(childName)) {
                throw new EntityProviderException(EntityProviderException.MISSING_ATTRIBUTE
                        .addContent(FormatJson.TYPE).addContent(FormatJson.METADATA));
            }
            String actualTypeName = reader.nextString();
            String expectedTypeName = complexPropertyInfo.getType().getNamespace() + Edm.DELIMITER
                    + complexPropertyInfo.getType().getName();
            if (!expectedTypeName.equals(actualTypeName)) {
                throw new EntityProviderException(EntityProviderException.INVALID_ENTITYTYPE
                        .addContent(expectedTypeName).addContent(actualTypeName));
            }
            reader.endObject();
        } else {
            EntityPropertyInfo childPropertyInfo = complexPropertyInfo.getPropertyInfo(childName);
            if (childPropertyInfo == null) {
                throw new EntityProviderException(
                        EntityProviderException.INVALID_PROPERTY.addContent(childName));
            }
            Object childData = readPropertyValue(reader, childPropertyInfo, mapping.get(childName));
            if (data.containsKey(childName)) {
                throw new EntityProviderException(
                        EntityProviderException.DOUBLE_PROPERTY.addContent(childName));
            }
            data.put(childName, childData);
        }
    }
    reader.endObject();
    return data;
}

From source file:com.sap.core.odata.core.ep.consumer.JsonServiceDocumentConsumer.java

License:Apache License

private void readEntitySets(final JsonReader reader) throws IOException, EntityProviderException, EdmException {
    while (reader.hasNext()) {
        currentHandledObjectName = reader.nextString();
        if (currentHandledObjectName != null) {
            // Looking for the last dot: "\\.(?=[^.]+$)"
            String[] names = currentHandledObjectName
                    .split("\\" + Edm.DELIMITER + "(?=[^" + Edm.DELIMITER + "]+$)");
            if (names.length == 1) {
                EntitySet entitySet = new EntitySet().setName(names[0]);
                EntityContainerInfo container = new EntityContainerInfo().setDefaultEntityContainer(true);
                EdmEntitySetInfo entitySetInfo = new EdmEntitySetInfoImplProv(entitySet, container);
                entitySets.add(entitySetInfo);
            } else {
                EntitySet entitySet = new EntitySet().setName(names[1]);
                EntityContainerInfo container = new EntityContainerInfo().setName(names[0])
                        .setDefaultEntityContainer(false);
                EdmEntitySetInfo entitySetInfo = new EdmEntitySetInfoImplProv(entitySet, container);
                entitySets.add(entitySetInfo);
            }/*from www.  j  a va 2  s .c  o m*/
        }
    }
}

From source file:com.scvngr.levelup.core.model.factory.json.PermissionsRequestJsonFactory.java

License:Apache License

@Override
protected void onBuildFactory(@NonNull final GsonBuilder gsonBuilder) {
    gsonBuilder.registerTypeAdapter(PermissionsRequest.State.class,
            new TypeAdapter<PermissionsRequest.State>() {

                @Override//from  ww  w. jav  a2s.com
                public State read(final JsonReader reader) throws IOException {
                    return State.forString(NullUtils.nonNullContract(reader.nextString()));
                }

                @Override
                public void write(final JsonWriter writer, final State value) throws IOException {
                    writer.value(value.toString());
                }
            });
}

From source file:com.seleritycorp.common.base.coreservices.RawCoreServiceClient.java

License:Apache License

private void pushToWriter(JsonReader reader, JsonWriter writer) throws IOException {
    int count = 0;
    boolean isObject = reader.peek() == JsonToken.BEGIN_OBJECT;
    do {//from   w ww .j  a  v a 2s. com
        JsonToken jsToken = reader.peek();
        switch (jsToken) {
        case BEGIN_ARRAY:
            reader.beginArray();
            writer.beginArray();
            if (!isObject) {
                count++;
            }
            break;
        case END_ARRAY:
            reader.endArray();
            writer.endArray();
            if (!isObject) {
                count--;
            }
            break;
        case BEGIN_OBJECT:
            reader.beginObject();
            writer.beginObject();
            if (isObject) {
                count++;
            }
            break;
        case END_OBJECT:
            reader.endObject();
            writer.endObject();
            if (isObject) {
                count--;
            }
            break;
        case NAME:
            String name = reader.nextName();
            writer.name(name);
            break;
        case STRING:
            String stringValue = reader.nextString();
            writer.value(stringValue);
            break;
        case NUMBER:
            String numValue = reader.nextString();
            writer.value(new BigDecimal(numValue));
            break;
        case BOOLEAN:
            boolean boolValue = reader.nextBoolean();
            writer.value(boolValue);
            break;
        case NULL:
            reader.nextNull();
            writer.nullValue();
            break;
        case END_DOCUMENT:
            return;
        default:
            return;
        }
    } while (count != 0);
}

From source file:com.sencko.basketball.stats.advanced.adapters.ActionAdapter.java

@Override
public Action read(JsonReader reader) throws IOException {
    switch (reader.peek()) {
    case NULL: {/*  w w w.java2  s . c o m*/
        reader.nextNull();
        return null;
    }
    case STRING: {
        String stringValue = reader.nextString().trim();

        if (stringValue.length() == 0) {
            return null;
        } else {
            Matcher matcher = fullAction.matcher(stringValue);
            if (matcher.matches()) {
                Actor actor = new Actor();
                actor.setName(matcher.group(2));
                actor.setNumber(Integer.parseInt(matcher.group(1)));
                Action action = new Action();
                action.setActor(actor);
                String desc = matcher.group(3);
                action.setDescription(desc);
                return action;
            } else {
                Action action = new Action();
                action.setDescription(stringValue);
                return action;
            }
        }
    }
    }
    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}

From source file:com.sencko.basketball.stats.advanced.adapters.IntegerAdapter.java

@Override
public Integer read(JsonReader reader) throws IOException {
    switch (reader.peek()) {
    case NULL: {/*from   www  . j a v a2s . c om*/
        reader.nextNull();
        break;
    }
    case NUMBER: {
        return reader.nextInt();
    }
    case STRING: {
        String stringValue = reader.nextString().trim();
        if (stringValue.length() == 0) {
            return null;
        } else {
            Matcher matcher = pattern.matcher(stringValue);
            if (matcher.matches()) {
                Integer ret = Integer.parseInt(matcher.group(1)) * 60 + Integer.parseInt(matcher.group(2));
                //  System.out.println(stringValue +" \t" + ret);
                return ret;
            }
        }
        return Integer.parseInt(stringValue);
    }
    }
    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}

From source file:com.sencko.basketball.stats.advanced.adapters.StringAdapter.java

@Override
public String read(JsonReader reader) throws IOException {
    switch (reader.peek()) {
    case NULL: {//from  www .j  a va2  s  .c o m
        reader.nextNull();
        return null;
    }
    case NUMBER: {
        return String.valueOf(reader.nextInt());
    }
    case STRING: {
        String stringValue = reader.nextString().trim();
        if (stringValue.length() == 0) {
            return null;
        } else {
            //    System.out.println(stringValue);
            return stringValue;
        }
    }
    }
    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}