org.apache.olingo.server.core.debug.AbstractDebugTabTest.java Source code

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Here is the source code for org.apache.olingo.server.core.debug.AbstractDebugTabTest.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF 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.apache.olingo.server.core.debug;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.StringWriter;

import org.apache.commons.io.IOUtils;
import org.apache.olingo.server.core.serializer.utils.CircleStreamBuffer;

import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;

public abstract class AbstractDebugTabTest {

    protected String createHtml(DebugTab tab) throws Exception {
        StringWriter writer = new StringWriter();
        tab.appendHtml(writer);
        writer.flush();
        byte[] bytes = writer.toString().getBytes("UTF-8");
        return IOUtils.toString(new ByteArrayInputStream(bytes));
    }

    protected String createJson(DebugTab requestTab) throws IOException {
        CircleStreamBuffer csb = new CircleStreamBuffer();
        JsonGenerator gen = new JsonFactory().createGenerator(csb.getOutputStream(), JsonEncoding.UTF8);
        requestTab.appendJson(gen);
        gen.flush();
        gen.close();
        csb.closeWrite();
        return IOUtils.toString(csb.getInputStream());
    }

    protected void print(DebugTab tab) throws Exception {
        System.out.println(createJson(tab));
        System.out.println("---------------------------------------------------------");
        System.out.println(createHtml(tab));
    }

}