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/*
* Janino - An embedded Java[TM] compiler
*
* Copyright (c) 2001-2010 Arno Unkrig. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.hazelcast.org.codehaus.commons.compiler.util.resource;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import com.hazelcast.org.codehaus.commons.compiler.util.Predicate;
import com.hazelcast.org.codehaus.commons.compiler.util.iterator.Iterables;
import com.hazelcast.org.codehaus.commons.nullanalysis.Nullable;
/**
* A {@link com.hazelcast.org.codehaus.commons.compiler.util.resource.ResourceFinder} that provides access to resource stored as
* byte arrays in a {@link java.util.Map}.
*/
public
class MapResourceFinder extends ListableResourceFinder {
private final Map map = new HashMap();
private long lastModified;
public
MapResourceFinder() {}
public
MapResourceFinder(Map map) {
for (Entry me : map.entrySet()) {
Resource prev = this.addResource((String) me.getKey(), (byte[]) me.getValue());
assert prev == null;
}
}
/**
* Adds another {@link Resource}, so that it can later be found with {@link #findResource(String)}, {@link
* #findResourceAsStream(String)} and {@link #resources()}.
*
* @return The resource that was previously associated with the fileName, or {@code null}
*/
@Nullable public Resource
addResource(final String fileName, final byte[] data) {
return (Resource) this.map.put(fileName, new Resource() {
@Override public InputStream open() { return new ByteArrayInputStream(data); }
@Override public String getFileName() { return fileName; }
@Override public long lastModified() { return MapResourceFinder.this.lastModified; }
});
}
/**
* @param data The text to store (in platform default encoding)
* @return The resource that was previously associated with the fileName, or {@code null}
*/
@Nullable public Resource
addResource(String fileName, String data) { return this.addResource(fileName, data.getBytes()); }
/**
* Adds another {@link Resource}, so that it can later be found with {@link #findResource(String)}, {@link
* #findResourceAsStream(String)} and {@link #resources()}.
*
* @return The resource that was previously associated with the fileName, or {@code null}
*/
public Resource
addResource(final Resource resource) { return (Resource) this.map.put(resource.getFileName(), resource); }
/**
* @return All resources that were previously added with {@link #addResource(Resource)}
*/
public Collection
resources() { return Collections.unmodifiableCollection(this.map.values()); }
/**
* @param lastModified The return value of {@link Resource#lastModified()} for the next resources added
*/
public final void
setLastModified(long lastModified) { this.lastModified = lastModified; }
@Override @Nullable public final Resource
findResource(final String resourceName) { return (Resource) this.map.get(resourceName); }
@Override @Nullable public Iterable
list(final String resourceNamePrefix, final boolean recurse) {
return Iterables.filter(this.map.values(), new Predicate
