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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.render.afp.modca;
import java.io.UnsupportedEncodingException;
/**
* This is the base class for all named data stream objects.
* A named data stream object has an 8 byte EBCIDIC name.
*/
public abstract class AbstractNamedAFPObject extends AbstractStructuredAFPObject {
private static final int DEFAULT_NAME_LENGTH = 8;
/**
* The actual name of the object
*/
protected String name = null;
/**
* Default constructor
*/
protected AbstractNamedAFPObject() {
}
/**
* Constructor for the ActiveEnvironmentGroup, this takes a
* name parameter which should be 8 characters long.
*
* @param name the object name
*/
protected AbstractNamedAFPObject(String name) {
this.name = name;
}
/**
* Returns the name as a byte array in EBCIDIC encoding
*
* @return the name as a byte array in EBCIDIC encoding
*/
protected byte[] getNameBytes() {
if (name.length() < DEFAULT_NAME_LENGTH) {
name = (name + " ").substring(0, DEFAULT_NAME_LENGTH);
} else if (name.length() > DEFAULT_NAME_LENGTH) {
log.warn("Constructor:: name truncated to " + DEFAULT_NAME_LENGTH + " chars" + name);
name = name.substring(0, DEFAULT_NAME_LENGTH);
}
byte[] nameBytes = null;
try {
nameBytes = name.getBytes(AFPConstants.EBCIDIC_ENCODING);
} catch (UnsupportedEncodingException usee) {
nameBytes = name.getBytes();
log.warn(
"Constructor:: UnsupportedEncodingException translating the name "
+ name);
}
return nameBytes;
}
/** {@inheritDoc} */
protected void copySF(byte[] data, byte type, byte category) {
super.copySF(data, type, category);
byte[] nameData = getNameBytes();
System.arraycopy(nameData, 0, data, 9, nameData.length);
}
/**
* Returns the name of this object
*
* @return the name of this object
*/
public String getName() {
return name;
}
/** {@inheritDoc} */
public String toString() {
return getName();
}
}
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