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8004658: Add internal smart javac wrapper to solve JEP 139

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Reviewed-by: jjg
This commit is contained in:
Fredrik Öhrström 2013-01-18 00:16:21 +01:00
parent 0a95b1d28c
commit 3d5f55b851
30 changed files with 7449 additions and 7 deletions
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148
langtools/src/share/classes/com/sun/tools/sjavac/CleanProperties.java Normal file
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/*
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.sjavac;
import java.io.*;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.HashSet;
import java.util.Map;
import java.util.Properties;
/**
* The clean properties transform should not be necessary.
* Eventually we will cleanup the property file sources in the OpenJDK instead.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own
* risk. This code and its internal interfaces are subject to change
* or deletion without notice.</b></p>
*/
public class CleanProperties implements Transformer
{
public void setExtra(String e) {
// Any extra information is ignored for clean properties.
}
public void setExtra(String[] a) {
// Any extra information is ignored for clean properties.
}
public boolean transform(Map<String,Set<URI>> pkgSrcs,
Set<URI> visibleSrcs,
Map<URI,Set<String>> visibleClasses,
Map<String,Set<String>> oldPackageDependencies,
URI destRoot,
Map<String,Set<URI>> packageArtifacts,
Map<String,Set<String>> packageDependencies,
Map<String,String> packagePublicApis,
int debugLevel,
boolean incremental,
int numCores,
PrintStream out,
PrintStream err)
{
boolean rc = true;
for (String pkgName : pkgSrcs.keySet()) {
String pkgNameF = pkgName.replace('.',File.separatorChar);
for (URI u : pkgSrcs.get(pkgName)) {
File src = new File(u);
boolean r = clean(pkgName, pkgNameF, src, new File(destRoot), debugLevel,
packageArtifacts);
if (r == false) {
rc = false;
}
}
}
return rc;
}
boolean clean(String pkgName, String pkgNameF, File src, File destRoot, int debugLevel,
Map<String,Set<URI>> packageArtifacts)
{
// Load the properties file.
Properties p = new Properties();
try {
p.load(new FileInputStream(src));
} catch (IOException e) {
Log.error("Error reading file "+src.getPath());
return false;
}
// Sort the properties in increasing key order.
List<String> sortedKeys = new ArrayList<String>();
for (Object key : p.keySet()) {
sortedKeys.add((String)key);
}
Collections.sort(sortedKeys);
Iterator<String> keys = sortedKeys.iterator();
// Collect the properties into a string buffer.
StringBuilder data = new StringBuilder();
while (keys.hasNext()) {
String key = keys.next();
data.append(CompileProperties.escape(key)+":"+CompileProperties.escape((String)p.get(key))+"\n");
}
String destFilename = destRoot.getPath()+File.separator+pkgNameF+File.separator+src.getName();
File dest = new File(destFilename);
// Make sure the dest directories exist.
if (!dest.getParentFile().isDirectory()) {
if (!dest.getParentFile().mkdirs()) {
Log.error("Could not create the directory "+dest.getParentFile().getPath());
return false;
}
}
Set<URI> as = packageArtifacts.get(pkgName);
if (as == null) {
as = new HashSet<URI>();
packageArtifacts.put(pkgName, as);
}
as.add(dest.toURI());
if (dest.exists() && dest.lastModified() > src.lastModified()) {
// A cleaned property file exists, and its timestamp is newer than the source.
// Assume that we do not need to clean!
// Thus we are done.
return true;
}
Log.info("Cleaning property file "+pkgNameF+File.separator+src.getName());
try (Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(dest)))) {
writer.write(data.toString());
} catch ( IOException e ) {
Log.error("Could not write file "+dest.getPath());
return false;
}
return true;
}
}