org.apache.tomcat.util.bcel.classfile.ConstantUtf8 Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.tomcat.util.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.tomcat.util.bcel.Constants;
/**
* This class is derived from the abstract
* Constant class
* and represents a reference to a Utf8 encoded string.
*
* @version $Id: ConstantUtf8.java 1057670 2011-01-11 14:52:05Z markt $
* @author M. Dahm
* @see Constant
*/
public final class ConstantUtf8 extends Constant {
private static final long serialVersionUID = 8119001312020421976L;
private String bytes;
/**
* Initialize instance from file data.
*
* @param file Input stream
* @throws IOException
*/
ConstantUtf8(DataInput file) throws IOException {
super(Constants.CONSTANT_Utf8);
bytes = file.readUTF();
}
/**
* Dump String in Utf8 format to file stream.
*
* @param file Output file stream
* @throws IOException
*/
@Override
public final void dump( DataOutputStream file ) throws IOException {
file.writeByte(tag);
file.writeUTF(bytes);
}
/**
* @return Data converted to string.
*/
public final String getBytes() {
return bytes;
}
/**
* @return String representation
*/
@Override
public final String toString() {
return super.toString() + "(\"" + Utility.replace(bytes, "\n", "\\n") + "\")";
}
}