| /* |
| * Copyright 2002-2005 Sascha Weinreuter |
| * |
| * Licensed 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.intellij.plugins.xpathView.util; |
| |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Set; |
| import java.util.Collection; |
| import java.util.HashSet; |
| |
| public final class Variable implements Cloneable, Copyable<Variable> { |
| private String myName; |
| private String myExpression; |
| |
| public Variable() { |
| this("", ""); |
| } |
| |
| public Variable(String name, String expression) { |
| this.myExpression = expression; |
| this.myName = name; |
| } |
| |
| @NotNull |
| public String getName() { |
| return myName != null ? myName : ""; |
| } |
| |
| public Variable copy() { |
| try { |
| return (Variable)clone(); |
| } catch (CloneNotSupportedException e) { |
| throw new Error(); |
| } |
| } |
| |
| @NotNull |
| public String getExpression() { |
| return myExpression != null ? myExpression : ""; |
| } |
| |
| public void setName(String s) { |
| myName = s; |
| } |
| |
| public void setExpression(String expression) { |
| this.myExpression = expression; |
| } |
| |
| public String toString() { |
| return myName + "<" + myExpression + ">"; |
| } |
| |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| final Variable variable = (Variable)o; |
| |
| if (myExpression != null ? !myExpression.equals(variable.myExpression) : variable.myExpression != null) return false; |
| return !(myName != null ? !myName.equals(variable.myName) : variable.myName != null); |
| } |
| |
| public int hashCode() { |
| int result = (myName != null ? myName.hashCode() : 0); |
| result = 29 * result + (myExpression != null ? myExpression.hashCode() : 0); |
| return result; |
| } |
| |
| public static Set<String> asSet(Collection<Variable> second) { |
| final HashSet<String> strings = new HashSet<String>(); |
| for (Variable variable : second) { |
| strings.add(variable.getName()); |
| } |
| return strings; |
| } |
| } |