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/*
 * Copyright 2003-2007 the original author or authors.
 *
 * 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.codehaus.groovy.ast.stmt;

import java.util.ArrayList;
import java.util.List;

import org.codehaus.groovy.ast.GroovyCodeVisitor;

/**
 * Represents a try { ... } catch () finally {} statement in Groovy
 * 
 * @author James Strachan
 * @version $Revision$
 */
public class TryCatchStatement extends Statement {

    private Statement tryStatement;
    private List catchStatements = new ArrayList();
    private Statement finallyStatement;
    

    public TryCatchStatement(Statement tryStatement, Statement finallyStatement) {
        this.tryStatement = tryStatement;
        this.finallyStatement = finallyStatement;
    }
    
    public void visit(GroovyCodeVisitor visitor) {
        visitor.visitTryCatchFinally(this);
    }
    
    public List getCatchStatements() {
        return catchStatements;
    }

    public Statement getFinallyStatement() {
        return finallyStatement;
    }

    public Statement getTryStatement() {
        return tryStatement;
    }

    public void addCatch(CatchStatement catchStatement) {
        catchStatements.add(catchStatement);
    }

    /**
     * @return the catch statement of the given index or null
     */
    public CatchStatement getCatchStatement(int idx) {
        if (idx >= 0 && idx < catchStatements.size()) {
            return catchStatements.get(idx);
        }
        return null;
    }

    public void setTryStatement(Statement tryStatement) {
        this.tryStatement = tryStatement;
    }

    public void setCatchStatement(int idx, CatchStatement catchStatement) {
        catchStatements.set(idx, catchStatement);
    }

    public void setFinallyStatement(Statement finallyStatement) {
        this.finallyStatement = finallyStatement;
    }
}