/**
* 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.cxf.tools.corba.processors.idl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import antlr.collections.AST;
import org.apache.cxf.binding.corba.wsdl.CorbaConstants;
public final class Scope implements Comparable<Object> {
private static final String SEPARATOR = ".";
private List<String> scope;
private Scope parent;
private String prefix;
public Scope() {
scope = new ArrayList<>();
parent = this;
}
public Scope(String scopes, String separator) {
java.util.StringTokenizer tokens = new java.util.StringTokenizer(scopes, separator);
Scope rootScope = new Scope();
Scope prevScope = rootScope.parent;
scope = rootScope.scope;
parent = this;
while (tokens.hasMoreTokens()) {
String token = tokens.nextToken();
parent = prevScope;
prevScope = new Scope(prevScope, token);
scope.add(token);
}
}
public Scope(Scope containingScope) {
scope = new ArrayList<>(containingScope.scope);
parent = containingScope.getParent();
this.setPrefix(parent.getPrefix());
}
public Scope(Scope containingScope, String str) {
scope = new ArrayList<>(containingScope.scope);
scope.add(str);
parent = containingScope;
this.setPrefix(parent.getPrefix());
}
// This is used for interface inheritance
public Scope(Scope containingScope, Scope prefixScope, String str) {
scope = new ArrayList<>(containingScope.scope);
scope.addAll(prefixScope.scope);
scope.add(str);
parent = containingScope;
this.setPrefix(parent.getPrefix());
}
public Scope(Scope containingScope, AST node) {
scope = new ArrayList<>(containingScope.scope);
if (node != null) {
scope.add(node.toString());
}
parent = containingScope;
this.setPrefix(parent.getPrefix());
}
public String tail() {
int size = scope.size();
if (size > 0) {
return scope.get(size - 1);
} else {
return "";
}
}
public Scope getParent() {
return parent;
}
public String toString(String separator) {
StringBuilder result = new StringBuilder();
Iterator<String> it = scope.iterator();
while (it.hasNext()) {
result.append(it.next());
if (it.hasNext()) {
result.append(separator);
}
}
return result.toString();
}
public String toString() {
return toString(SEPARATOR);
}
public String toIDLRepositoryID() {
StringBuilder result = new StringBuilder();
result.append(CorbaConstants.REPO_STRING);
if (prefix != null && prefix.length() > 0) {
result.append(prefix + "/");
}
result.append(toString("/"));
result.append(CorbaConstants.IDL_VERSION);
return result.toString();
}
public boolean equals(Object otherScope) {
if (otherScope instanceof Scope) {
return toString().equals(((Scope)otherScope).toString());
} else {
return false;
}
}
public int hashCode() {
return toString().hashCode();
}
public int compareTo(Object otherScope) {
if (otherScope == null) {
throw new RuntimeException("Cannot compare a null object");
}
if (otherScope instanceof Scope) {
return toString().compareTo(otherScope.toString());
} else {
throw new ClassCastException("Scope class expected but found "
+ otherScope.getClass().getName());
}
}
public void setPrefix(String prefix) {
this.prefix = prefix;
}
public String getPrefix() {
return prefix;
}
}