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* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.shrinkwrap.api.asset;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
Implementation of an Asset
backed by a byte array Author: ALR Version: $Revision: $
/**
* Implementation of an {@link Asset} backed by a byte array
*
* @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
* @version $Revision: $
*/
public class ByteArrayAsset implements Asset {
// -------------------------------------------------------------------------------------||
// Class Members ----------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
Logger
/**
* Logger
*/
private static final Logger log = Logger.getLogger(ByteArrayAsset.class.getName());
// -------------------------------------------------------------------------------------||
// Instance Members -------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
Underlying content
/**
* Underlying content
*/
private final byte[] content;
// -------------------------------------------------------------------------------------||
// Constructor ------------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
Creates a new Asset
instance backed by the specified byte array Params: - content –
Throws: - IllegalArgumentException –
If the contents were not specified
/**
* Creates a new {@link Asset} instance backed by the specified byte array
*
* @param content
* @throws IllegalArgumentException
* If the contents were not specified
*/
public ByteArrayAsset(final byte[] content) throws IllegalArgumentException {
// Precondition check
if (content == null) {
throw new IllegalArgumentException("content must be specified");
}
// Defensive copy on set, SHRINKWRAP-38
final int length = content.length;
byte[] newArray = new byte[length];
System.arraycopy(content, 0, newArray, 0, length);
// Set
this.content = newArray;
if (log.isLoggable(Level.FINER)) {
log.finer("Created " + this + " with backing byte array of size " + length + "b");
}
}
Creates a new Asset
instance backed by the bytes contained in the the specified InputStream
Params: - stream –
Throws: - IllegalArgumentException –
If the stream is not specified
/**
* Creates a new {@link Asset} instance backed by the bytes contained in the the specified {@link InputStream}
*
* @param stream
* @throws IllegalArgumentException
* If the stream is not specified
*/
public ByteArrayAsset(final InputStream stream) {
// Delegate
this(ByteArrayIOUtil.asByteArray(stream));
}
// -------------------------------------------------------------------------------------||
// Required Implementations -----------------------------------------------------------||
// -------------------------------------------------------------------------------------||
See Also: - openStream.openStream()
/**
* @see org.jboss.shrinkwrap.api.asset.Asset#openStream()
*/
@Override
public InputStream openStream() {
return new ByteArrayInputStream(this.content);
}
Returns the underlying content.
/**
* Returns the underlying content.
*
*/
public byte[] getSource() {
return content;
}
{@inheritDoc}
See Also:
/**
* {@inheritDoc}
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return ByteArrayAsset.class.getSimpleName() + " [content size=" + content.length + "bytes]";
}
}