    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements.  See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache License, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License.  You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the License for the specific language governing permissions and
    015     * limitations under the License.
    016     */
    017
    018    package org.apache.commons.jci.readers;
    019
    020    import java.util.Map;
    021    import java.util.HashMap;
    022
    023    /**
    024     * A memory based reader to compile from memory
    025     *
    026     * @author tcurdt
    027     */
    028    public class MemoryResourceReader implements ResourceReader {
    029
    030        private Map<String, byte[]> resources = null;
    031
    032        public boolean isAvailable( final String pResourceName ) {
    033            if (resources == null) {
    034                return false;
    035            }
    036
    037            return resources.containsKey(pResourceName);
    038        }
    039
    040        public void add( final String pResourceName, final byte[] pContent ) {
    041            if (resources == null) {
    042                resources = new HashMap<String, byte[]>();
    043            }
    044
    045            resources.put(pResourceName, pContent);
    046        }
    047
    048        public void remove( final String pResourceName ) {
    049            if (resources != null) {
    050                resources.remove(pResourceName);
    051            }
    052        }
    053
    054
    055        public byte[] getBytes( final String pResourceName ) {
    056            return resources.get(pResourceName);
    057        }
    058
    059        /**
    060         * @deprecated
    061         */
    062        @Deprecated
    063        public String[] list() {
    064            if (resources == null) {
    065                return new String[0];
    066            }
    067            return resources.keySet().toArray(new String[resources.size()]);
    068        }
    069    }