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JSON remote data end point service via HTTP
package com.khs.sherpa.json.service;
/*
* Copyright 2012 the original author or authors.
*
* 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.
*/
import java.io.IOException;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
public class JacksonJsonProvider implements JsonProvider {
public String toJson(Object object) {
ObjectMapper mapper = new ObjectMapper();
try {
return mapper.writeValueAsString(object);
} catch (JsonGenerationException e) {
e.printStackTrace();
} catch (JsonMappingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
public T toObject(String json, Class type) {
// map to json object
ObjectMapper mapper = new ObjectMapper();
try {
return mapper.readValue(json, type);
} catch (JsonMappingException e) {
throw new RuntimeException("ERROR mapping JSON parameter - Exception:"+e);
} catch (IOException e) {
throw new RuntimeException("endpoint JSON parameter error - cannot deserialize JSON string "+e);
}
}
}
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