author | darcy |
Fri, 02 Feb 2018 10:29:25 -0800 | |
changeset 48723 | 6cb86bf0b51e |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 6877206 |
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* @summary JavaFileObject.toUri returns bogus URI (win) |
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* @modules jdk.compiler/com.sun.tools.javac.file |
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* jdk.compiler/com.sun.tools.javac.util |
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*/ |
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import java.io.*; |
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import java.net.*; |
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import java.util.*; |
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import java.util.jar.*; |
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import java.util.zip.*; |
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import javax.tools.*; |
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import com.sun.tools.javac.file.JavacFileManager; |
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import com.sun.tools.javac.util.Context; |
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import com.sun.tools.javac.util.Options; |
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// Test URIs returned from JavacFileManager and its support classes. |
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// For a variety of file objects, verify the validity of FileObject.toUri() |
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// by verifying the URI exists and points to the same contents as the file |
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// object itself |
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public class T6877206 { |
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public static void main(String... args) throws Exception { |
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new T6877206().run(); |
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} |
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Set<String> foundClasses = new TreeSet<String>(); |
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Set<String> foundJars = new TreeSet<String>(); |
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void run() throws Exception { |
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// names for entries to be created in directories and jar files |
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String[] entries = { "p/A.class", "p/resources/A-1.jpg" }; |
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// test various combinations of directories and jar files, intended to |
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// cover all sources of URIs within JavacFileManager's support classes |
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test(createFileManager(), createDir("dir", entries), "p", entries.length); |
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test(createFileManager(), createDir("a b/dir", entries), "p", entries.length); |
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test(createFileManager(), createJar("jar", entries), "p", entries.length); |
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test(createFileManager(), createJar("jar jar", entries), "p", entries.length); |
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// Verify that we hit the files we intended |
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checkCoverage("classes", foundClasses, |
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"DirectoryFileObject", "JarFileObject"); |
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// Verify that we hit the jar files we intended |
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checkCoverage("jar files", foundJars, "jar", "jar jar"); |
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} |
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// use a new file manager for each test |
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void test(StandardJavaFileManager fm, File f, String pkg, int expect) throws Exception { |
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JarURLConnection c; |
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System.err.println("Test " + f); |
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try { |
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fm.setLocation(StandardLocation.CLASS_PATH, Collections.singleton(f)); |
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int count = 0; |
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for (JavaFileObject fo: fm.list(StandardLocation.CLASS_PATH, |
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pkg, EnumSet.allOf(JavaFileObject.Kind.class), true)) { |
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System.err.println("checking " + fo); |
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// record the file object class name for coverage checks later |
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foundClasses.add(fo.getClass().getSimpleName()); |
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testFileObject(fo); |
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count++; |
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} |
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if (expect > 0 && count != expect) |
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throw new Exception("wrong number of entries found: " |
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+ count + ", expected " + expect); |
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} finally { |
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fm.close(); |
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} |
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} |
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void testFileObject(JavaFileObject fo) throws Exception { |
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// test the validity of the result of toUri() by using URLConnection |
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// and comparing the results of reading from the connection with the |
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// result of reading from the file object directly. |
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URI uri = fo.toUri(); |
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System.err.println("uri: " + uri); |
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URLConnection urlconn = uri.toURL().openConnection(); |
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if (urlconn instanceof JarURLConnection) { |
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JarURLConnection jarconn = (JarURLConnection) urlconn; |
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File f = new File(jarconn.getJarFile().getName()); |
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// record access to the jar file for coverage checks later |
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foundJars.add(f.getName()); |
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} |
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try { |
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byte[] uriData = read(urlconn.getInputStream()); |
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byte[] foData = read(fo.openInputStream()); |
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if (!Arrays.equals(uriData, foData)) { |
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if (uriData.length != foData.length) |
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throw new Exception("data size differs: uri data " |
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+ uriData.length + " bytes, fo data " + foData.length+ " bytes"); |
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for (int i = 0; i < uriData.length; i++) { |
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if (uriData[i] != foData[i]) |
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throw new Exception("unexpected data returned at offset " + i |
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+ ", uri data " + uriData[i] + ", fo data " + foData[i]); |
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} |
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throw new AssertionError("cannot find difference"); |
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} |
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} finally { |
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// In principle, simply closing the result of urlconn.getInputStream() |
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// should have been sufficient. But the internal JarURLConnection |
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// does not close the JarFile in an expeditious manner, thus preventing |
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// jtreg from deleting the jar file before starting the next test. |
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// Therefore we force access to the JarURLConnection to close the |
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// JarFile when necessary. |
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if (urlconn instanceof JarURLConnection) { |
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JarURLConnection jarconn = (JarURLConnection) urlconn; |
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jarconn.getJarFile().close(); |
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} |
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} |
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} |
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void checkCoverage(String label, Set<String> found, String... expect) throws Exception { |
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Set<String> e = new TreeSet<String>(Arrays.asList(expect)); |
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if (!found.equals(e)) { |
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e.removeAll(found); |
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throw new Exception("expected " + label + " not used: " + e); |
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} |
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} |
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JavacFileManager createFileManager() { |
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return createFileManager(false); |
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} |
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JavacFileManager createFileManager(boolean useSymbolFile) { |
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Context ctx = new Context(); |
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Options options = Options.instance(ctx); |
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if (!useSymbolFile) { |
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options.put("ignore.symbol.file", "true"); |
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} |
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return new JavacFileManager(ctx, false, null); |
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} |
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File createDir(String name, String... entries) throws Exception { |
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File dir = new File(name); |
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if (!dir.mkdirs()) |
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throw new Exception("cannot create directories " + dir); |
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for (String e: entries) { |
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writeFile(new File(dir, e), e); |
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} |
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return dir; |
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} |
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File createJar(String name, String... entries) throws IOException { |
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File jar = new File(name); |
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OutputStream out = new FileOutputStream(jar); |
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try { |
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JarOutputStream jos = new JarOutputStream(out); |
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for (String e: entries) { |
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jos.putNextEntry(new ZipEntry(e)); |
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jos.write(e.getBytes()); |
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} |
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jos.close(); |
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} finally { |
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out.close(); |
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} |
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return jar; |
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} |
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byte[] read(InputStream in) throws IOException { |
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byte[] data = new byte[1024]; |
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int offset = 0; |
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try { |
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int n; |
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while ((n = in.read(data, offset, data.length - offset)) != -1) { |
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offset += n; |
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if (offset == data.length) |
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data = Arrays.copyOf(data, 2 * data.length); |
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} |
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} finally { |
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in.close(); |
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} |
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return Arrays.copyOf(data, offset); |
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} |
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void writeFile(File f, String s) throws IOException { |
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f.getParentFile().mkdirs(); |
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FileWriter out = new FileWriter(f); |
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try { |
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out.write(s); |
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} finally { |
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out.close(); |
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} |
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} |
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} |