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/**
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* '$RCSfile$'
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* Copyright: 2004 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Purpose: To test the Access Controls in metacat by JUnit
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*
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* '$Author: leinfelder $'
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* '$Date: 2010-12-09 10:41:36 -0800 (Thu, 09 Dec 2010) $'
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* '$Revision: 5712 $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacattest;
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import java.io.*;
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leinfelder
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import java.nio.charset.Charset;
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import java.util.*;
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import org.apache.commons.io.IOUtils;
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leinfelder
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import org.apache.commons.io.input.XmlStreamReader;
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import edu.ucsb.nceas.MCTestCase;
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import edu.ucsb.nceas.metacat.client.MetacatFactory;
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import edu.ucsb.nceas.metacat.client.MetacatInaccessibleException;
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import junit.framework.Test;
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import junit.framework.TestSuite;
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/**
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* A unit test to see which readers/writers break a non-ascii char stream
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* @author berkley
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*/
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public class ReaderWriterTest extends MCTestCase
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{
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public static String testStr = "Checking characters like µ in doc";
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/**
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* Constructor to build the test
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*
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* @param name the name of the test method
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*/
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public ReaderWriterTest(String name) {
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super(name);
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}
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/**
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* Establish a testing framework by initializing appropriate objects
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*/
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public void setUp()
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{
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System.out.println("default charset is: " + Charset.defaultCharset().displayName());
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}
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/**
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* Release any objects after tests are complete
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*/
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public void tearDown()
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{
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}
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/**
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* Create a suite of tests to be run together
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*/
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public static Test suite()
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{
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TestSuite suite = new TestSuite();
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// suite.addTest(new ReaderWriterTest("initialize"));
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// suite.addTest(new ReaderWriterTest("testStringReaderAndWriter"));
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// suite.addTest(new ReaderWriterTest("testFileReaderAndWriter"));
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// suite.addTest(new ReaderWriterTest("testBufferedReaderAndWriter"));
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// suite.addTest(new ReaderWriterTest("charArrayReaderAndWriter"));
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suite.addTest(new ReaderWriterTest("testInputStreamReaderAndWriter"));
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// suite.addTest(new ReaderWriterTest("testBufferedReaderAndWriter"));
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// suite.addTest(new ReaderWriterTest("testBufferedReaderAndWriter"));
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// suite.addTest(new ReaderWriterTest("testBufferedReaderAndWriter"));
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// suite.addTest(new ReaderWriterTest("testBufferedReaderAndWriter"));
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return suite;
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}
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/**
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* test InputStreamReader and InputStreamWriter
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*/
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public void testInputStreamReaderAndWriter()
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{
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try
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{
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File tmpFile = getTempFile();
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FileOutputStream fos = new FileOutputStream(tmpFile);
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fos.write(testStr.getBytes());
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fos.flush();
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fos.close();
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FileInputStream fis = new FileInputStream(tmpFile);
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InputStreamReader isr = new InputStreamReader(fis);
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String s = readReader(isr);
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System.out.println("s: " + s);
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assertTrue(s.equals(testStr));
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}
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catch(Exception e)
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{
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fail("Unexpected error in testInputStreamReaderAndWriter: " + e.getMessage());
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}
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}
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/**
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* test FileReader and FileWriter
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*/
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public void charArrayReaderAndWriter()
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{
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try
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{
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CharArrayWriter caw = new CharArrayWriter();
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char[] c = new char[testStr.length()];
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testStr.getChars(0, testStr.length(), c, 0);
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caw.write(c);
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assertTrue(caw.toString().equals(testStr));
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CharArrayReader car = new CharArrayReader(c);
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String s = readReader(car);
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assertTrue(s.equals(testStr));
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}
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catch(Exception e)
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{
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fail("Unexpected error in charArrayReaderAndWriter: " + e.getMessage());
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}
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}
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/**
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* test FileReader and FileWriter
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*/
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public void testBufferedReaderAndWriter()
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{
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try
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{
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File tmp = getTempFile();
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FileWriter fw = new FileWriter(tmp);
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BufferedWriter bw = new BufferedWriter(fw);
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bw.write(testStr);
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bw.flush();
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bw.close();
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FileReader fr = new FileReader(tmp);
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BufferedReader br = new BufferedReader(fr);
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String s = readReader(br);
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assertTrue(s.equals(testStr));
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}
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catch(Exception e)
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{
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fail("Unexpected error in testBufferedReaderAndWriter: " + e.getMessage());
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}
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}
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/**
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* test FileReader and FileWriter
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*/
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public void testFileReaderAndWriter()
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{
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try
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{
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File tmp = getTempFile();
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FileWriter fw = new FileWriter(tmp);
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fw.write(testStr);
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fw.flush();
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fw.close();
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FileReader fr = new FileReader(tmp);
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String s = readReader(fr);
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assertTrue(s.equals(testStr));
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}
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catch(Exception e)
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{
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fail("Unexpected error in testFileReaderAndWriter: " + e.getMessage());
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}
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}
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/**
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* test StringReader and StringWriter
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*/
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public void testStringReaderAndWriter()
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{
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try
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{
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StringReader sr = new StringReader(testStr);
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String s = readReader(sr);
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assertTrue(s.equals(testStr));
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Writer testWriter = writeStringToWriter(testStr);
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assertTrue(testWriter.toString().equals(testStr));
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//tmp.delete();
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}
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catch(Exception e)
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{
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fail("Unexpected error in testStringReaderAndWriter");
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}
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}
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/**
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* test Commons IO detection
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*/
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public void testXMLEncodingDectection()
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{
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try
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{
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System.out.println("default charset:" + Charset.defaultCharset().displayName());
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String sampleXML = "<?xml version='1.0' encoding='UTF-8'?><test>my content 你</test>";
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// get bytes using different encoding - shouldn't matter what we use for the prolog
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XmlStreamReader xsr =
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new XmlStreamReader(
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new BufferedInputStream(new ByteArrayInputStream(sampleXML.getBytes("ISO-8859-1"))));
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System.out.println("detected encoding:" + xsr.getEncoding());
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// read the string [again] using the detected encoding
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// NOTE: XmlStreamReader consumes the entire stream and does not suport reset()
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// Besides, we'd have the wrong bytes anyway
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String result = IOUtils.toString(new ByteArrayInputStream(sampleXML.getBytes(xsr.getEncoding())));
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System.out.println(result);
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assertTrue(result.equals(sampleXML));
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}
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catch(Exception e)
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{
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e.printStackTrace();
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fail("Unexpected error in testXMLEncodingDectection: " + e.getMessage());
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}
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}
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public void initialize()
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{
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assert(1 == 1);
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}
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private Writer writeStringToWriter(String s)
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throws IOException
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{
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StringWriter w = new StringWriter();
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w.write(s);
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return w;
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}
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private String readReader(Reader sr)
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throws IOException
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{
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char[] c = new char[1024];
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int numread = sr.read(c, 0, 1024);
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StringBuffer sb = new StringBuffer();
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while(numread != -1)
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{
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sb.append(c, 0, numread);
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numread = sr.read(c, 0, 1024);
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}
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return sb.toString();
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}
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private File getTempFile()
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{
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File f = new File("/tmp/ReaderWriterTest." + new Date().getTime() + ".tmp");
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return f;
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}
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}
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