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/*
* Copyright (c) 2017, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * 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.
*
* * 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.twelvemonkeys.imageio.plugins.psd;
import com.twelvemonkeys.imageio.metadata.Directory;
import com.twelvemonkeys.lang.StringUtil;
import javax.imageio.stream.ImageInputStream;
import java.io.IOException;
/**
* PSDDirectoryResource
*/
abstract class PSDDirectoryResource extends PSDImageResource {
byte[] data;
private Directory directory;
PSDDirectoryResource(short resourceId, ImageInputStream input) throws IOException {
super(resourceId, input);
}
@Override
protected void readData(final ImageInputStream pInput) throws IOException {
data = new byte[(int) size]; // TODO: Fix potential overflow, or document why that can't happen (read spec)
pInput.readFully(data);
}
abstract Directory parseDirectory() throws IOException;
final void initDirectory() throws IOException {
if (directory == null) {
directory = parseDirectory();
}
}
Directory getDirectory() {
return directory;
}
@Override
public String toString() {
StringBuilder builder = toStringBuilder();
int length = Math.min(256, data.length);
String data = StringUtil.decode(this.data, 0, length, "UTF-8").replace('\n', ' ').replaceAll("\\s+", " ");
builder.append(", data: \"").append(data);
if (length < this.data.length) {
builder.append("...");
}
builder.append("\"]");
return builder.toString();
}
}