nashorn/samples/PrintToString.java
author cjplummer
Sat, 06 May 2017 00:05:32 +0000
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Merge
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 *   - Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *
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 *   - Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 *
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 *   - Neither the name of Oracle nor the names of its
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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import javax.script.*;
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import java.io.StringWriter;
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// simple example demonstrating capturing of "print" output
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// from script execution as a String via script engine API.
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public class PrintToString {
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  public static void main(String[] args) throws ScriptException {
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    ScriptEngineManager m = new ScriptEngineManager();
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    ScriptEngine e = m.getEngineByName("nashorn");
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    StringWriter sw = new StringWriter();
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    e.getContext().setWriter(sw);
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    e.eval("print('hello world')");
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    System.out.println(sw.toString());
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  }
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}