com.sun.jersey.json.impl.reader.JacksonRootAddingParser Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ehcache Show documentation
Show all versions of ehcache Show documentation
Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* 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
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
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 Jakub Podlesak (jakub.podlesak at oracle.com)
*/
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);
}
}