/* Copyright (C) 2004-2007 Sami Koivu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.sf.rej.java.attribute;
import java.util.ArrayList;
import java.util.List;
import net.sf.rej.java.constantpool.ConstantPool;
import net.sf.rej.util.ByteArrayByteParser;
import net.sf.rej.util.ByteParser;
import net.sf.rej.util.ByteSerializer;
public class ExceptionsAttribute extends Attribute {
private List<ExceptionDescriptor> exceptions = new ArrayList<ExceptionDescriptor>();
public ExceptionsAttribute(int nameIndex, ConstantPool pool) {
super(nameIndex, pool);
}
public ExceptionsAttribute(int nameIndex, ConstantPool pool, List<ExceptionDescriptor> exceptions) {
super(nameIndex, pool);
this.exceptions.addAll(exceptions);
}
@Override
public byte[] getPayload() {
ByteSerializer ser = new ByteSerializer(true);
ser.addShort(this.exceptions.size());
for (ExceptionDescriptor ex : this.exceptions) {
ser.addShort(ex.getIndex());
}
return ser.getBytes();
}
@Override
public void setPayload(byte[] data) {
ByteParser parser = new ByteArrayByteParser(data);
parser.setBigEndian(true);
int numberOfExceptions = parser.getShortAsInt();
for (int i = 0; i < numberOfExceptions; i++) {
int index = parser.getShortAsInt();
this.exceptions.add(new ExceptionDescriptor(pool, index));
}
}
public List<ExceptionDescriptor> getExceptions() {
List<ExceptionDescriptor> list = new ArrayList<ExceptionDescriptor>();
list.addAll(this.exceptions);
return list;
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("Exceptions (");
for (ExceptionDescriptor ex : this.exceptions) {
if (sb.length() > 0) {
sb.append(", ");
}
sb.append(ex);
}
sb.append(")");
return sb.toString();
}
}