/*
* Licensed to Luca Cavanna (the "Author") under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search licenses this
* file to you 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.elasticsearch.shell.json;
import java.io.IOException;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
/**
* @author Luca Cavanna
*
* Converts a {@link ToXContent} object to string
*/
public class ToXContentAsString {
public String asString(ToXContent toXContent) throws IOException {
XContentBuilder builder = XContentFactory.jsonBuilder().prettyPrint();
try {
toXContent.toXContent(builder, ToXContent.EMPTY_PARAMS);
} catch (IOException e) {
//hack: the first object in the builder might need to be opened, depending on the ToXContent implementation
//Let's just try again, hopefully it'll work
builder.startObject();
toXContent.toXContent(builder, ToXContent.EMPTY_PARAMS);
builder.endObject();
}
return builder.string();
}
}