org.joda.beans.ser.json.JodaBeanSimpleJsonReader Maven / Gradle / Ivy
/*
* Copyright 2001-present Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.joda.beans.ser.json;
import java.io.Reader;
import java.io.StringReader;
import java.util.Collections;
import org.joda.beans.JodaBeanUtils;
import org.joda.beans.ser.JodaBeanSer;
import org.joda.beans.ser.SerIterable;
import org.joda.beans.ser.SerIteratorFactory;
/**
* Provides the ability for a Joda-Bean to read from JSON.
*
* The JSON format is defined by {@link JodaBeanJsonWriter}.
*
* This class contains mutable state and cannot be used from multiple threads.
* A new instance must be created for each message.
*/
public class JodaBeanSimpleJsonReader extends AbstractJsonReader {
/**
* Creates an instance.
*
* @param settings the settings, not null
*/
public JodaBeanSimpleJsonReader(JodaBeanSer settings) {
super(settings);
}
//-----------------------------------------------------------------------
/**
* Reads and parses to a bean.
*
* @param the root type
* @param input the input string, not null
* @param rootType the root type, not null
* @return the bean, not null
*/
public T read(String input, Class rootType) {
JodaBeanUtils.notNull(input, "input");
return read(new StringReader(input), rootType);
}
/**
* Reads and parses to a bean.
*
* @param the root type
* @param input the input reader, not null
* @param rootType the root type, not null
* @return the bean, not null
*/
public T read(Reader input, Class rootType) {
JodaBeanUtils.notNull(input, "input");
JodaBeanUtils.notNull(rootType, "rootType");
try {
JsonInput jsonInput = new JsonInput(input);
return parseRoot(jsonInput, rootType);
} catch (RuntimeException ex) {
throw ex;
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
//-----------------------------------------------------------------------
@Override
SerIterable parseUnknownArray(Class declaredType) {
if (declaredType.isArray()) {
return SerIteratorFactory.array(declaredType.getComponentType());
} else {
return SerIteratorFactory.list(Object.class, Collections.>emptyList());
}
}
@Override
SerIterable parseUnknownObject(Class declaredType) {
return SerIteratorFactory.map(String.class, Object.class, Collections.>emptyList());
}
}