author | jjg |
Wed, 23 Sep 2009 18:48:13 -0700 | |
changeset 3995 | 73af8b6fb8bc |
parent 3782 | ae62279eeb46 |
child 3998 | c66be272f350 |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2005-2008 Sun Microsystems, Inc. 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. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package com.sun.tools.javac.file; |
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|
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.io.OutputStreamWriter; |
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import java.io.Writer; |
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import java.net.URI; |
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import java.nio.ByteBuffer; |
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import java.nio.CharBuffer; |
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import java.nio.charset.CharsetDecoder; |
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import javax.tools.JavaFileObject; |
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/** |
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* A subclass of JavaFileObject representing regular files. |
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* |
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* <p><b>This is NOT part of any API supported by Sun Microsystems. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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class RegularFileObject extends BaseFileObject { |
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|
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/** Have the parent directories been created? |
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*/ |
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private boolean hasParents = false; |
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private String name; |
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final File f; |
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public RegularFileObject(JavacFileManager fileManager, File f) { |
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this(fileManager, f.getName(), f); |
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} |
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public RegularFileObject(JavacFileManager fileManager, String name, File f) { |
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super(fileManager); |
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if (f.isDirectory()) { |
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throw new IllegalArgumentException("directories not supported"); |
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} |
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this.name = name; |
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this.f = f; |
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} |
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@Override |
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public URI toUri() { |
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return f.toURI().normalize(); |
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} |
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@Override |
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public String getName() { |
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return f.getPath(); |
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} |
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@Override |
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public String getShortName() { |
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return name; |
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} |
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@Override |
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public JavaFileObject.Kind getKind() { |
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return getKind(name); |
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} |
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@Override |
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public InputStream openInputStream() throws IOException { |
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return new FileInputStream(f); |
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} |
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@Override |
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public OutputStream openOutputStream() throws IOException { |
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ensureParentDirectoriesExist(); |
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return new FileOutputStream(f); |
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} |
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@Override |
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public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException { |
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CharBuffer cb = fileManager.getCachedContent(this); |
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if (cb == null) { |
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InputStream in = new FileInputStream(f); |
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try { |
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ByteBuffer bb = fileManager.makeByteBuffer(in); |
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JavaFileObject prev = fileManager.log.useSource(this); |
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try { |
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cb = fileManager.decode(bb, ignoreEncodingErrors); |
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} finally { |
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fileManager.log.useSource(prev); |
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} |
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fileManager.recycleByteBuffer(bb); |
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if (!ignoreEncodingErrors) { |
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fileManager.cache(this, cb); |
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} |
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} finally { |
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in.close(); |
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} |
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} |
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return cb; |
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} |
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@Override |
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public Writer openWriter() throws IOException { |
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ensureParentDirectoriesExist(); |
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return new OutputStreamWriter(new FileOutputStream(f), fileManager.getEncodingName()); |
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} |
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|
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@Override |
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public long getLastModified() { |
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return f.lastModified(); |
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} |
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136 |
|
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@Override |
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public boolean delete() { |
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return f.delete(); |
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} |
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141 |
|
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142 |
@Override |
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protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) { |
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return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors); |
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} |
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146 |
|
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147 |
@Override |
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protected String inferBinaryName(Iterable<? extends File> path) { |
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String fPath = f.getPath(); |
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//System.err.println("RegularFileObject " + file + " " +r.getPath()); |
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for (File dir: path) { |
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//System.err.println("dir: " + dir); |
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String dPath = dir.getPath(); |
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if (dPath.length() == 0) |
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dPath = System.getProperty("user.dir"); |
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if (!dPath.endsWith(File.separator)) |
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dPath += File.separator; |
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if (fPath.regionMatches(true, 0, dPath, 0, dPath.length()) |
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&& new File(fPath.substring(0, dPath.length())).equals(new File(dPath))) { |
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String relativeName = fPath.substring(dPath.length()); |
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return removeExtension(relativeName).replace(File.separatorChar, '.'); |
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} |
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} |
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return null; |
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165 |
} |
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166 |
|
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167 |
@Override |
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public boolean isNameCompatible(String cn, JavaFileObject.Kind kind) { |
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cn.getClass(); |
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// null check |
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if (kind == Kind.OTHER && getKind() != kind) { |
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return false; |
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173 |
} |
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String n = cn + kind.extension; |
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if (name.equals(n)) { |
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return true; |
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177 |
} |
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if (name.equalsIgnoreCase(n)) { |
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try { |
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180 |
// allow for Windows |
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return f.getCanonicalFile().getName().equals(n); |
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} catch (IOException e) { |
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183 |
} |
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184 |
} |
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185 |
return false; |
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186 |
} |
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187 |
|
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private void ensureParentDirectoriesExist() throws IOException { |
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189 |
if (!hasParents) { |
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File parent = f.getParentFile(); |
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if (parent != null && !parent.exists()) { |
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if (!parent.mkdirs()) { |
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if (!parent.exists() || !parent.isDirectory()) { |
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throw new IOException("could not create parent directories"); |
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195 |
} |
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196 |
} |
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197 |
} |
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hasParents = true; |
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199 |
} |
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200 |
} |
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201 |
|
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202 |
@Override |
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public boolean equals(Object other) { |
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if (!(other instanceof RegularFileObject)) { |
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205 |
return false; |
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206 |
} |
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RegularFileObject o = (RegularFileObject) other; |
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try { |
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return f.equals(o.f) || f.getCanonicalFile().equals(o.f.getCanonicalFile()); |
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} catch (IOException e) { |
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211 |
return false; |
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212 |
} |
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} |
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|
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215 |
@Override |
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public int hashCode() { |
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217 |
return f.hashCode(); |
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218 |
} |
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} |