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*
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*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
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* file and include the License file at packager/legal/LICENSE.txt.
*
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package com.sun.jersey.json.impl.reader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import org.codehaus.jackson.Base64Variant;
import org.codehaus.jackson.JsonLocation;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.JsonStreamContext;
import org.codehaus.jackson.JsonToken;
import org.codehaus.jackson.ObjectCodec;
import org.codehaus.jackson.type.TypeReference;
/**
*
* @author japod
*/
public class JacksonRootAddingParser extends JsonParser {
enum State { START, AFTER_SO, AFTER_FN, INNER, END };
String rootName;
JsonParser parser;
State state;
boolean isClosed = false;
public static JsonParser createRootAddingParser(JsonParser parser, String rootName) {
return new JacksonRootAddingParser(parser, rootName);
}
private JacksonRootAddingParser(){}
private JacksonRootAddingParser(JsonParser parser, String rootName) {
this.parser = parser;
this.state = State.START;
this.rootName = rootName;
}
@Override
public void enableFeature(Feature feature) {
parser.enableFeature(feature);
}
@Override
public void disableFeature(Feature feature) {
parser.disableFeature(feature);
}
@Override
public void setFeature(Feature feature, boolean isSet) {
parser.setFeature(feature, isSet);
}
@Override
public JsonToken nextValue() throws IOException, JsonParseException {
JsonToken result = nextToken();
while (!result.isScalarValue()) {
result = nextToken();
}
return result;
}
@Override
public boolean isClosed() {
return isClosed;
}
@Override
public byte getByteValue() throws IOException, JsonParseException {
return parser.getByteValue();
}
@Override
public short getShortValue() throws IOException, JsonParseException {
return parser.getShortValue();
}
@Override
public BigInteger getBigIntegerValue() throws IOException, JsonParseException {
return parser.getBigIntegerValue();
}
@Override
public float getFloatValue() throws IOException, JsonParseException {
return parser.getFloatValue();
}
@Override
public byte[] getBinaryValue(Base64Variant base64Variant) throws IOException, JsonParseException {
return parser.getBinaryValue(base64Variant);
}
@Override
public T readValueAs(Class type) throws IOException, JsonProcessingException {
return parser.readValueAs(type);
}
@Override
public T readValueAs(TypeReference typeRef) throws IOException, JsonProcessingException {
return (T)parser.readValueAs(typeRef);
}
@Override
public JsonNode readValueAsTree() throws IOException, JsonProcessingException {
return parser.readValueAsTree();
}
@Override
public JsonStreamContext getParsingContext() {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public JsonToken nextToken() throws IOException, JsonParseException {
switch (state) {
case START :
state = State.AFTER_SO;
_currToken = JsonToken.START_OBJECT;
return _currToken;
case AFTER_SO :
state = State.AFTER_FN;
_currToken = JsonToken.FIELD_NAME;
return _currToken;
case AFTER_FN :
state = State.INNER;
case INNER :
_currToken = parser.nextToken();
if (_currToken == null) {
state = State.END;
_currToken = JsonToken.END_OBJECT;
}
return _currToken;
case END :
default :
_currToken = null;
return _currToken;
}
}
@Override
public JsonParser skipChildren() throws IOException, JsonParseException {
return parser.skipChildren();
}
@Override
public String getCurrentName() throws IOException, JsonParseException {
switch (state) {
case START :
return null;
case AFTER_SO :
return null;
case AFTER_FN :
return rootName;
case INNER :
return parser.getCurrentName();
default:
return null;
}
}
@Override
public void close() throws IOException {
parser.close();
}
@Override
public JsonLocation getTokenLocation() {
return parser.getTokenLocation();
}
@Override
public JsonLocation getCurrentLocation() {
return parser.getCurrentLocation();
}
@Override
public String getText() throws IOException, JsonParseException {
return parser.getText();
}
@Override
public char[] getTextCharacters() throws IOException, JsonParseException {
return parser.getTextCharacters();
}
@Override
public int getTextLength() throws IOException, JsonParseException {
return parser.getTextLength();
}
@Override
public int getTextOffset() throws IOException, JsonParseException {
return parser.getTextOffset();
}
@Override
public Number getNumberValue() throws IOException, JsonParseException {
return parser.getNumberValue();
}
@Override
public NumberType getNumberType() throws IOException, JsonParseException {
return parser.getNumberType();
}
@Override
public int getIntValue() throws IOException, JsonParseException {
return parser.getIntValue();
}
@Override
public long getLongValue() throws IOException, JsonParseException {
return parser.getLongValue();
}
@Override
public double getDoubleValue() throws IOException, JsonParseException {
return parser.getDoubleValue();
}
@Override
public BigDecimal getDecimalValue() throws IOException, JsonParseException {
return parser.getDecimalValue();
}
@Override
public ObjectCodec getCodec() {
return parser.getCodec();
}
@Override
public void setCodec(ObjectCodec c) {
parser.setCodec(c);
}
}
