org.pentaho.metaverse.impl.model.ExecutionProfileUtil.java Source code

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Here is the source code for org.pentaho.metaverse.impl.model.ExecutionProfileUtil.java

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/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2018 by Hitachi Vantara : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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.pentaho.metaverse.impl.model;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.apache.commons.io.IOUtils;
import org.pentaho.metaverse.api.model.IExecutionProfile;

import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;

/**
 * A collection of utilities for working with Execution Profile documents
 */
public class ExecutionProfileUtil {

    protected ExecutionProfileUtil() {
        // Protected per Singleton pattern (but available for testing)
    }

    public static void outputExecutionProfile(OutputStream outputStream, IExecutionProfile executionProfile)
            throws IOException {

        PrintStream out = null;
        try {
            if (outputStream instanceof PrintStream) {
                out = (PrintStream) outputStream;
            } else {
                out = new PrintStream(outputStream);
            }
            ObjectMapper mapper = new ObjectMapper();
            mapper.enable(SerializationFeature.INDENT_OUTPUT);
            mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
            mapper.enable(SerializationFeature.WRAP_EXCEPTIONS);
            try {
                out.println(mapper.writeValueAsString(executionProfile));
            } catch (JsonProcessingException jpe) {
                throw new IOException(jpe);
            }
        } finally {
            IOUtils.closeQuietly(out);
        }
    }
}