org.sourcepit.osgifier.core.util.JsonUtils.java Source code

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Here is the source code for org.sourcepit.osgifier.core.util.JsonUtils.java

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/*
 * Copyright 2014 Bernd Vogt and others.
 * 
 * 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.sourcepit.osgifier.core.util;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonStreamParser;

/**
 * @author Bernd Vogt <bernd.vogt@sourcepit.org>
 */
public final class JsonUtils {
    private JsonUtils() {
        super();
    }

    private static final String UTF_8 = "UTF-8";

    public static JsonElement parse(InputStream inputStream) {
        return parse(inputStream, UTF_8);
    }

    public static JsonElement parse(InputStream inputStream, String charset) {
        try {
            return parse(new InputStreamReader(inputStream, charset));
        } catch (IOException e) {
            throw new IllegalStateException(e);
        }
    }

    public static JsonElement parse(Reader reader) {
        return (JsonArray) new JsonStreamParser(reader).next();
    }

}