/*
 * 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.naming.resources;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * Encapsulates the contents of a resource.
 *
 * @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
 */
public class Resource {


    // ----------------------------------------------------------- Constructors


    public Resource() {
        // NO-OP
    }


    public Resource(InputStream inputStream) {
        setContent(inputStream);
    }


    public Resource(byte[] binaryContent) {
        setContent(binaryContent);
    }


    // ----------------------------------------------------- Instance Variables


    /**
     * Binary content.
     */
    protected byte[] binaryContent = null;


    /**
     * Input stream.
     */
    protected InputStream inputStream = null;


    // ------------------------------------------------------------- Properties


    /**
     * Content accessor.
     *
     * @return InputStream
     * @throws IOException
     */
    public InputStream streamContent() throws IOException {
        if (binaryContent != null) {
            return new ByteArrayInputStream(binaryContent);
        }
        return inputStream;
    }


    /**
     * Content accessor.
     *
     * @return binary content
     */
    public byte[] getContent() {
        return binaryContent;
    }


    /**
     * Content mutator.
     *
     * @param inputStream New input stream
     */
    public void setContent(InputStream inputStream) {
        this.inputStream = inputStream;
    }


    /**
     * Content mutator.
     *
     * @param binaryContent New bin content
     */
    public void setContent(byte[] binaryContent) {
        this.binaryContent = binaryContent;
    }


}
