/*
* 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.netbeans.tax;
/**
* Immutable representation of <code>qName</code>.
*
* @author Libor Kramolis
* @version 0.1
*/
public final class TreeName {
/**
* The treeName prefix. For example, the prefix for the treeName "a:foo"
* is "a".
*/
private final String prefix;
/**
* The treeName name. For example, the name for the treeName "a:foo"
* is "foo".
*/
private final String name;
/**
* The treeName rawName. For example, the rawName for the treeName "a:foo"
* is "a:foo".
*/
private final String rawName;
//
// init
//
/** Creates new TreeName.
* @throws InvalidArgumentException
*/
public TreeName (String prefix, String name)
throws InvalidArgumentException {
checkPrefix (prefix);
checkName (name);
this.prefix = prefix;
this.name = name;
this.rawName = getQualifiedName (prefix, name);
}
/** Creates new TreeName.
* @throws InvalidArgumentException
*/
public TreeName (String rawName)
throws InvalidArgumentException {
checkRawName (rawName);
this.prefix = getPrefix (rawName);
this.name = getName (rawName);
this.rawName = rawName;
}
// /** Creates new TreeName -- copy constructor. */
// public TreeName (TreeName name) {
// this.prefix = name.prefix;
// this.name = name.name;
// this.rawName = name.rawName;
// }
//
// itself
//
/**
*/
private static String getPrefix (String rawName) {
int i = rawName.indexOf (
":");
// NOI18N
if (i < 0) {
return "";
// NOI18N
}
else {
return rawName.substring (0, i);
}
}
/**
*/
private static String getName (String rawName) {
int i = rawName.indexOf (
":");
// NOI18N
if (i < 0) {
return rawName;
}
else {
return rawName.substring (i + 1);
}
}
/**
*/
private static String getQualifiedName (String prefix, String name) {
if (
"".equals (prefix) ) {
// NOI18N
return name;
}
else {
return (prefix +
":" + name);
// NOI18N
}
}
/**
*/
public String getPrefix () {
return prefix;
}
/**
*/
private void checkPrefix (String prefix)
throws InvalidArgumentException {
if ( prefix ==
null ) {
throw createInvalidNullArgumentException ();
}
}
/**
*/
public String getName () {
return name;
}
/**
*/
private void checkName (String name)
throws InvalidArgumentException {
if ( name ==
null ) {
throw createInvalidNullArgumentException ();
}
}
/**
* Should not it be just getQName() ???
*/
public String getQualifiedName () {
return rawName;
}
/**
*/
private void checkRawName (String rawName)
throws InvalidArgumentException {
if ( rawName ==
null ) {
throw createInvalidNullArgumentException ();
}
}
/**
*/
private InvalidArgumentException createInvalidNullArgumentException () {
return new InvalidArgumentException
(Util.
THIS.getString (
"EXC_invalid_null_value"),
new NullPointerException ());
}
/**
*/
public boolean equals (Object obj) {
if ( obj
instanceof TreeName ) {
return rawName.equals (((TreeName)obj).rawName);
}
return false;
}
/**
*/
public int hashCode () {
return rawName.hashCode ();
}
/**
*/
public String toString () {
return rawName;
}
}