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/* Originally based on the javac task from apache-ant-1.7.1.
 * The license in that file is as follows:
 *
 *   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.
 *
 */

/*
 * Copyright Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the authors tag. All rights reserved.
 */
package com.redhat.ceylon.ant;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.Commandline;

@ToolEquivalent("run-js")
@AntDoc("This task runs a top-level JavaScript method compiled from Ceylon code.\n"+
        "It requires [node.js](http://nodejs.org/) to run the generated JS code.\n"+
        "\n"+
        "To execute the `com.example.foo::start` top level method in\n"+ 
        "version 1.1 of module `com.example.foo` residing\n"+
        "in the `build` directory (repository):\n"+
        "\n"+
        "\n"+
        "    \n"+
        "      \n"+
        "        \n"+
        "      \n"+
        "    \n")
public class CeylonRunJsAntTask extends RepoUsingCeylonAntTask {

    private String module;
    private String func;
    private String compileFlags;

    public CeylonRunJsAntTask() {
        super("run-js");
    }
    
    @AntDoc("The module and optional version to run")
    public void setModule(String value) {
        module = value;
    }
    
    @OptionEquivalent
    public void setRun(String value) {
        func = value;
    }

    /**
     * Sets compile flags
     */
    @OptionEquivalent
    public void setCompile(String compileFlags) {
        this.compileFlags = compileFlags;
    }

    @Override
    protected void checkParameters() {
        super.checkParameters();
        if (module == null) {
            throw new BuildException("ceylonjs requires module attribute to be set");
        }   
    }
    
    @Override
    protected void completeCommandline(Commandline cmd) {
        super.completeCommandline(cmd);
        
        if(func != null){
            appendOptionArgument(cmd, "--run", func);
        }

        if(compileFlags != null){
            appendOptionArgument(cmd, "--compile", compileFlags);
        }
        
        cmd.createArgument().setValue(module);
    }

    @Override
    protected String getFailMessage() {
        return CeylonRunAntTask.FAIL_MSG;
    }

    
}