10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.javac.file;
27
28 import java.io.File;
29 import java.io.IOException;
30 import java.net.MalformedURLException;
31 import java.net.URI;
32 import java.net.URISyntaxException;
33 import java.net.URL;
34 import java.nio.CharBuffer;
35 import java.nio.charset.Charset;
36 import java.nio.file.FileSystem;
37 import java.nio.file.FileSystems;
38 import java.nio.file.FileVisitOption;
39 import java.nio.file.FileVisitResult;
40 import java.nio.file.Files;
41 import java.nio.file.InvalidPathException;
42 import java.nio.file.LinkOption;
43 import java.nio.file.Path;
44 import java.nio.file.Paths;
45 import java.nio.file.ProviderNotFoundException;
46 import java.nio.file.SimpleFileVisitor;
47 import java.nio.file.attribute.BasicFileAttributes;
48 import java.nio.file.spi.FileSystemProvider;
49 import java.util.ArrayList;
60 import java.util.Set;
61 import java.util.stream.Collectors;
62 import java.util.stream.Stream;
63
64 import javax.lang.model.SourceVersion;
65 import javax.tools.FileObject;
66 import javax.tools.JavaFileManager;
67 import javax.tools.JavaFileObject;
68 import javax.tools.StandardJavaFileManager;
69
70 import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
71 import com.sun.tools.javac.file.RelativePath.RelativeFile;
72 import com.sun.tools.javac.resources.CompilerProperties.Errors;
73 import com.sun.tools.javac.util.Assert;
74 import com.sun.tools.javac.util.Context;
75 import com.sun.tools.javac.util.Context.Factory;
76 import com.sun.tools.javac.util.DefinedBy;
77 import com.sun.tools.javac.util.DefinedBy.Api;
78 import com.sun.tools.javac.util.List;
79 import com.sun.tools.javac.util.ListBuffer;
80 import com.sun.tools.javac.util.JDK9Wrappers.Configuration;
81 import com.sun.tools.javac.util.JDK9Wrappers.Layer;
82 import com.sun.tools.javac.util.JDK9Wrappers.ModuleFinder;
83 import com.sun.tools.javac.util.JDK9Wrappers.Module;
84 import com.sun.tools.javac.util.JDK9Wrappers.ServiceLoaderHelper;
85
86 import static java.nio.file.FileVisitOption.FOLLOW_LINKS;
87
88 import static javax.tools.StandardLocation.*;
89
90 /**
91 * This class provides access to the source, class and other files
92 * used by the compiler and related tools.
93 *
94 * <p><b>This is NOT part of any supported API.
95 * If you write code that depends on this, you do so at your own risk.
96 * This code and its internal interfaces are subject to change or
97 * deletion without notice.</b>
98 */
99 public class JavacFileManager extends BaseFileManager implements StandardJavaFileManager {
100
101 public static char[] toArray(CharBuffer buffer) {
102 if (buffer.hasArray())
103 return buffer.compact().flip().array();
104 else
963 return locations.getOutputLocation(CLASS_OUTPUT);
964 }
965
966 private Path getSourceOutDir() {
967 return locations.getOutputLocation(SOURCE_OUTPUT);
968 }
969
970 @Override @DefinedBy(Api.COMPILER)
971 public Location getLocationForModule(Location location, String moduleName) throws IOException {
972 checkModuleOrientedOrOutputLocation(location);
973 nullCheck(moduleName);
974 if (location == SOURCE_OUTPUT && getSourceOutDir() == null)
975 location = CLASS_OUTPUT;
976 return locations.getLocationForModule(location, moduleName);
977 }
978
979 @Override @DefinedBy(Api.COMPILER)
980 public <S> ServiceLoader<S> getServiceLoader(Location location, Class<S> service) throws IOException {
981 nullCheck(location);
982 nullCheck(service);
983 Module.getModule(getClass()).addUses(service);
984 if (location.isModuleOrientedLocation()) {
985 Collection<Path> paths = locations.getLocation(location);
986 ModuleFinder finder = ModuleFinder.of(paths.toArray(new Path[paths.size()]));
987 Layer bootLayer = Layer.boot();
988 Configuration cf = bootLayer.configuration().resolveAndBind(ModuleFinder.of(), finder, Collections.emptySet());
989 Layer layer = bootLayer.defineModulesWithOneLoader(cf, ClassLoader.getSystemClassLoader());
990 return ServiceLoaderHelper.load(layer, service);
991 } else {
992 return ServiceLoader.load(service, getClassLoader(location));
993 }
994 }
995
996 @Override @DefinedBy(Api.COMPILER)
997 public Location getLocationForModule(Location location, JavaFileObject fo) throws IOException {
998 checkModuleOrientedOrOutputLocation(location);
999 if (!(fo instanceof PathFileObject))
1000 return null;
1001 Path p = Locations.normalize(((PathFileObject) fo).path);
1002 // need to find p in location
1003 return locations.getLocationForModule(location, p);
1004 }
1005
1006 @Override @DefinedBy(Api.COMPILER)
1007 public void setLocationForModule(Location location, String moduleName, Collection<? extends Path> paths)
1008 throws IOException {
1009 nullCheck(location);
1010 checkModuleOrientedOrOutputLocation(location);
|
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.javac.file;
27
28 import java.io.File;
29 import java.io.IOException;
30 import java.lang.module.Configuration;
31 import java.lang.module.ModuleFinder;
32 import java.net.MalformedURLException;
33 import java.net.URI;
34 import java.net.URISyntaxException;
35 import java.net.URL;
36 import java.nio.CharBuffer;
37 import java.nio.charset.Charset;
38 import java.nio.file.FileSystem;
39 import java.nio.file.FileSystems;
40 import java.nio.file.FileVisitOption;
41 import java.nio.file.FileVisitResult;
42 import java.nio.file.Files;
43 import java.nio.file.InvalidPathException;
44 import java.nio.file.LinkOption;
45 import java.nio.file.Path;
46 import java.nio.file.Paths;
47 import java.nio.file.ProviderNotFoundException;
48 import java.nio.file.SimpleFileVisitor;
49 import java.nio.file.attribute.BasicFileAttributes;
50 import java.nio.file.spi.FileSystemProvider;
51 import java.util.ArrayList;
62 import java.util.Set;
63 import java.util.stream.Collectors;
64 import java.util.stream.Stream;
65
66 import javax.lang.model.SourceVersion;
67 import javax.tools.FileObject;
68 import javax.tools.JavaFileManager;
69 import javax.tools.JavaFileObject;
70 import javax.tools.StandardJavaFileManager;
71
72 import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
73 import com.sun.tools.javac.file.RelativePath.RelativeFile;
74 import com.sun.tools.javac.resources.CompilerProperties.Errors;
75 import com.sun.tools.javac.util.Assert;
76 import com.sun.tools.javac.util.Context;
77 import com.sun.tools.javac.util.Context.Factory;
78 import com.sun.tools.javac.util.DefinedBy;
79 import com.sun.tools.javac.util.DefinedBy.Api;
80 import com.sun.tools.javac.util.List;
81 import com.sun.tools.javac.util.ListBuffer;
82
83 import static java.nio.file.FileVisitOption.FOLLOW_LINKS;
84
85 import static javax.tools.StandardLocation.*;
86
87 /**
88 * This class provides access to the source, class and other files
89 * used by the compiler and related tools.
90 *
91 * <p><b>This is NOT part of any supported API.
92 * If you write code that depends on this, you do so at your own risk.
93 * This code and its internal interfaces are subject to change or
94 * deletion without notice.</b>
95 */
96 public class JavacFileManager extends BaseFileManager implements StandardJavaFileManager {
97
98 public static char[] toArray(CharBuffer buffer) {
99 if (buffer.hasArray())
100 return buffer.compact().flip().array();
101 else
960 return locations.getOutputLocation(CLASS_OUTPUT);
961 }
962
963 private Path getSourceOutDir() {
964 return locations.getOutputLocation(SOURCE_OUTPUT);
965 }
966
967 @Override @DefinedBy(Api.COMPILER)
968 public Location getLocationForModule(Location location, String moduleName) throws IOException {
969 checkModuleOrientedOrOutputLocation(location);
970 nullCheck(moduleName);
971 if (location == SOURCE_OUTPUT && getSourceOutDir() == null)
972 location = CLASS_OUTPUT;
973 return locations.getLocationForModule(location, moduleName);
974 }
975
976 @Override @DefinedBy(Api.COMPILER)
977 public <S> ServiceLoader<S> getServiceLoader(Location location, Class<S> service) throws IOException {
978 nullCheck(location);
979 nullCheck(service);
980 getClass().getModule().addUses(service);
981 if (location.isModuleOrientedLocation()) {
982 Collection<Path> paths = locations.getLocation(location);
983 ModuleFinder finder = ModuleFinder.of(paths.toArray(new Path[paths.size()]));
984 ModuleLayer bootLayer = ModuleLayer.boot();
985 Configuration cf = bootLayer.configuration().resolveAndBind(ModuleFinder.of(), finder, Collections.emptySet());
986 ModuleLayer layer = bootLayer.defineModulesWithOneLoader(cf, ClassLoader.getSystemClassLoader());
987 return ServiceLoader.load(layer, service);
988 } else {
989 return ServiceLoader.load(service, getClassLoader(location));
990 }
991 }
992
993 @Override @DefinedBy(Api.COMPILER)
994 public Location getLocationForModule(Location location, JavaFileObject fo) throws IOException {
995 checkModuleOrientedOrOutputLocation(location);
996 if (!(fo instanceof PathFileObject))
997 return null;
998 Path p = Locations.normalize(((PathFileObject) fo).path);
999 // need to find p in location
1000 return locations.getLocationForModule(location, p);
1001 }
1002
1003 @Override @DefinedBy(Api.COMPILER)
1004 public void setLocationForModule(Location location, String moduleName, Collection<? extends Path> paths)
1005 throws IOException {
1006 nullCheck(location);
1007 checkModuleOrientedOrOutputLocation(location);
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