Java ClassPath类代码示例

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@Override
@NonNull
public Set<ClassPath.Flag> getFlags() {
    Set<ClassPath.Flag> res;
    synchronized (this) {
        res = flagsCache;
    }
    if (res == null) {
        res = getActiveClassPath().getFlags();
        assert res != null;
        synchronized (this) {
            if (flagsCache == null) {
                flagsCache = res;
            } else {
                res = flagsCache;
            }
        }
    }
    return res;
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
public void testAddToPreprocessorPath() throws Exception {
    assertNotNull("Project not created!",prj);          //NOI18N
    final FileObject libRoot = prj.getProjectDirectory().createFolder("mylib");
    assertNotNull("Library not created!",libRoot);      //NOI18N
    assertNotNull("No src folder in the proj dir!",src);  //NOI18N
    SourceGroup srcGrp = null;
    for (SourceGroup sg : ProjectUtils.getSources(prj).getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA)) {
        FileObject root = sg.getRootFolder();
        if (root == src) {
            srcGrp = sg;
            break;
        }
    }
    assertNotNull("No sources group found!",srcGrp);    //NOI18N
    final ClassPath cp = ClassPath.getClassPath(srcGrp.getRootFolder(), JavaClassPathConstants.PROCESSOR_PATH);
    assertFalse(Arrays.asList(cp.getRoots()).contains(libRoot));
    ProjectClassPathModifier.addRoots(
        new URI[] {libRoot.toURI()},
        srcGrp.getRootFolder(),
        JavaClassPathConstants.PROCESSOR_PATH);
    assertTrue("No lib on processor path!", Arrays.asList(cp.getRoots()).contains(libRoot));    //NOI18N
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@NonNull
private static String pathToString(@NonNull final ClassPath path) {
    final StringBuilder cpBuilder = new StringBuilder();
    for (ClassPath.Entry entry : path.entries()) {
        final URL u = entry.getURL();
        boolean folder = "file".equals(u.getProtocol());
        File f = FileUtil.archiveOrDirForURL(u);
        if (f != null) {
            if (cpBuilder.length() > 0) {
                cpBuilder.append(File.pathSeparatorChar);
            }
            cpBuilder.append(f.getAbsolutePath());
            if (folder) {
                cpBuilder.append(File.separatorChar);
            }
        }
    }
    return cpBuilder.toString();
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
public void testTypeMirrorHandle() throws Exception {
        prepareTest();
        writeIntoFile(testSource, "package test; public class Test<T> {}");
        ClassPath empty = ClassPathSupport.createClassPath(new URL[0]);
        JavaSource js = JavaSource.create(ClasspathInfo.create(ClassPathSupport.createClassPath(SourceUtilsTestUtil.getBootClassPath().toArray(new URL[0])), empty, empty), testSource);
        
        js.runUserActionTask(new Task<CompilationController>() {

            public void run(CompilationController info) throws Exception {
                info.toPhase(Phase.RESOLVED);
                testCase(info, "java.util.Map");
                testCase(info, "java.util.Map<java.lang.Object, java.util.List>");
                testCase(info, "java.util.Map<java.lang.Object, java.util.List<java.lang.String>>");
                testCase(info, "int[]");
//                testCaseEnum(info); IZ #111876.
            }
        }, true);
    }
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@Override
public CustomRefactoringPanel getPanel(ChangeListener parent) {
    if (panel == null) {
        String pkgName = null;
        if (targetFolder != null) {
            ClassPath cp = ClassPath.getClassPath(targetFolder, ClassPath.SOURCE);
            if (cp != null) {
                pkgName = cp.getResourceName(targetFolder, '.', false);
            }
        }
        panel = new MoveClassPanel (parent, 
                pkgName != null ? pkgName : getDOPackageName(javaObjects.iterator().next().getParent()),
                getString("LBL_MoveClassesHeadline"),
                getString("LBL_MoveWithoutReferences"),
                targetFolder != null ? targetFolder : javaObjects.iterator().next(),
                disable, getNodes()
        );
    }
    return panel;
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@Override
protected List<PathResourceImplementation> createResources() {
    ArrayList<PathResourceImplementation> result = new ArrayList<> ();
            boolean[] includeJDK = { true };
            boolean[] includeFX = { false };
            result.addAll(ecpImpl.getResources(includeJDK, includeFX));
            lastHintValue = project.getAuxProps().get(Constants.HINT_JDK_PLATFORM, true);
            if (includeJDK[0]) {
                JavaPlatform pat = findActivePlatform();
                boolean hasFx = false;
                for (ClassPath.Entry entry : pat.getBootstrapLibraries().entries()) {
                    if (entry.getURL().getPath().endsWith("/jfxrt.jar!/")) {
                        hasFx = true;
                    }
                    result.add(ClassPathSupport.createResource(entry.getURL()));
                }
                if (includeFX[0] && !hasFx) {
                    PathResourceImplementation fxcp = createFxCPImpl(pat);
                    if (fxcp != null) {
                        result.add(fxcp);
                    }
                }
                result.addAll(nbPlatformJavaFxCp(project, pat));
            }
    return result;
        }
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@Override
@NonNull
public Iterable<JavaFileObject> getFiles(
        @NonNull String folderName,
        @NullAllowed final ClassPath.Entry entry,
        @NullAllowed final Set<JavaFileObject.Kind> kinds,
        @NullAllowed final JavaFileFilterImplementation filter,
        final boolean recursive) throws IOException {
    if (separator != FileObjects.NBFS_SEPARATOR_CHAR) {
        folderName = folderName.replace(FileObjects.NBFS_SEPARATOR_CHAR, separator);
    }
    final Path target = root.resolve(folderName);
    final List<JavaFileObject> res = new ArrayList<>();
    try (final Stream<Path> s = recursive ? Files.walk(target, FileVisitOption.FOLLOW_LINKS) : Files.list(target)) {
        s.filter((p)->{
            return (kinds == null || kinds.contains(FileObjects.getKind(FileObjects.getExtension(p.getFileName().toString()))))
                && Files.isRegularFile(p);
        })
        .forEach((p)->{res.add(FileObjects.pathFileObject(p, root, rootURI, null));});
    }
    return Collections.unmodifiableCollection(res);
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
boolean remove() {
    final ClassPathModifier cpm = project.getLookup().lookup(ClassPathModifier.class);
    boolean success = false;
    if (cpm != null) {
        try {
            cpm.removeAntArtifacts(
                    new AntArtifact[]{onArt},
                    new URI[] {onLoc},
                    root,
                    ClassPath.COMPILE);
            success = true;
        } catch (IOException | UnsupportedOperationException ex) {
            LOG.log(
                    Level.INFO,
                    "Cannot fix dependencies in project: {0}",  //NOI18N
                    ProjectUtils.getInformation(project).getDisplayName());
        }
    }
    return success;
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
public void testAPIIsSelfContained() throws Exception {
    FileObject root = makeScratchDir(this);
    
    final ClassPath bootPath = ClassPathSupport.createClassPath(SourceUtilsTestUtil.getBootClassPath().toArray(new URL[0]));//ClassPath.getClassPath(source, ClassPath.BOOT);
    final ClassPath compilePath = ClassPathSupport.createClassPath(prepareClasspath());
    final ClassPath srcPath = ClassPathSupport.createClassPath(new URL[0]);
    
    JavaSource js = JavaSource.create(ClasspathInfo.create(bootPath, compilePath, srcPath)/*, source*/);
    
    js.runUserActionTask(new Task<CompilationController>() {
        public void run(CompilationController copy) throws Exception {
            PackageElement apiPackage = copy.getElements().getPackageElement("org.netbeans.api.java.source");
            verifySelfContainedAPI(apiPackage);
            
            apiPackage = copy.getElements().getPackageElement("org.netbeans.api.java.source.support");
            verifySelfContainedAPI(apiPackage);
        }
    },true);
    
    assertTrue(violations.toString(), violations.isEmpty());
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@Override
protected void setUp() throws Exception {
    ClassPathProvider cpp = new ClassPathProvider() {

        @Override
        public ClassPath findClassPath(FileObject file, String type) {
            if (type.equals(ClassPath.SOURCE)) {
                return ClassPathSupport.createClassPath(new FileObject[]{FileUtil.toFileObject(getDataDir())});
            }
            if (type.equals(ClassPath.COMPILE)) {
                return ClassPathSupport.createClassPath(new FileObject[0]);
            }
            if (type.equals(ClassPath.BOOT)) {
                return createClassPath(System.getProperty("sun.boot.class.path"));
            }
            return null;
        }
    };
    SharedClassObject loader = JavaDataLoader.findObject(JavaDataLoader.class, true);
    SourceUtilsTestUtil.prepareTest(new String[]{"org/netbeans/modules/java/source/resources/layer.xml","org/netbeans/modules/java/source/base/layer.xml"}, new Object[]{loader/*, cpp*/});
    JEditorPane.registerEditorKitForContentType("text/x-java", "org.netbeans.modules.editor.java.JavaKit");
    File cacheFolder = new File(getWorkDir(), "var/cache/index");
    cacheFolder.mkdirs();
    IndexUtil.setCacheFolder(cacheFolder);
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
/**
 * Returns the project classpath including project build paths.
 * Can be used to set classpath for custom classloader.
 * 
 * @param project the current project.
 * @return List of java.net.URL objects representing each entry on the classpath.
 */
public static List<URL> getProjectClassPath(Project project) {
    List<URL> projectClassPathEntries = new ArrayList<URL>();
    for (SourceGroup sourceGroup : getSourceGroups(project)) {
        if (sourceGroup == null) {
            continue;
        }
        ClassPath cp = ClassPath.getClassPath(sourceGroup.getRootFolder(), ClassPath.COMPILE);

        for (ClassPath.Entry cpEntry : cp.entries()) {
            projectClassPathEntries.add(cpEntry.getURL());
        }
    }

    return projectClassPathEntries;
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@Override
public Collection<? extends HintDescription> computeHints(final ClassPath cp, AtomicBoolean cancel) {
    final AtomicReference<Collection<? extends FileObject>> foundFiles = new AtomicReference<>();

    Task task = ASYNCHRONOUS.post(new Runnable() {
        @Override public void run() {
            foundFiles.set(findFiles(cp));
        }
    });

    while ((cancel == null || !cancel.get()) && !task.isFinished()) {
        try {
            task.waitFinished(1);
        } catch (InterruptedException ex) {
            LOG.log(Level.FINE, null, ex);
        }
    }

    Collection<? extends FileObject> files = foundFiles.get();

    if (files == null || (cancel != null && cancel.get())) return null;

    return join(readHints(files));
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
public void testOraculumLibrarySourceWithoutRootWithSourcePath() {
    Lookup.getDefault().lookup(CPP.class).add(
            root1,
            ClassPath.SOURCE,
            ClassPathSupport.createClassPath(root1));
    final ClasspathInfo cpInfo = new ClasspathInfo.Builder(ClassPath.EMPTY).build();
    final JavacParser parser = new JavacParser(Collections.emptyList(), true);
    final JavacTaskImpl impl = JavacParser.createJavacTask(
            javaFile1,
            null,
            cpInfo,
            parser,
            null,
            false);
    assertNotNull(impl);
    final Options opts = Options.instance(impl.getContext());
    assertNotNull(opts);
    assertEquals("Test", opts.get("-XD-Xmodule:"));    //NOI18N
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
public void testWrongClassPathWhileParsingClassFile() throws Exception {
    final FileObject wd = FileUtil.toFileObject(getWorkDir());
    final ClassPath boot = createBootPath();
    final ClassPath compile = ClassPathSupport.createClassPath(FileUtil.createFolder(wd, "libka"));
    final ClasspathInfo cpInfo = ClasspathInfo.create(boot, compile, null);
    final FileObject jlObject = boot.findResource("java/lang/Object.class");
    assertNotNull(jlObject);
    final JavaSource js = JavaSource.create(cpInfo, jlObject);
    assertNotNull(js);
    js.runUserActionTask(
        new Task<CompilationController>(){
            @Override
            public void run(CompilationController control) throws Exception {
                final ClasspathInfo cpInfoInTask = control.getClasspathInfo();
                assertNotNull(cpInfoInTask);
                assertEquals(compile.entries(), cpInfoInTask.getClassPath(ClasspathInfo.PathKind.COMPILE).entries());
            }
        },true);
}
 

import org.netbeans.api.java.classpath.ClassPath; //导入依赖的package包/类
@Override
public ClassPath findClassPath(
        FileObject file,
        String type) {
    for (FileObject srcRoot : srcPath.getRoots()) {
        if (srcRoot.equals(file) || FileUtil.isParentOf(srcRoot, file)) {
            if (type == ClassPath.SOURCE) {
                return srcPath;
            } else if (type == ClassPath.BOOT) {
                return bootPath;
            } else if (type == ClassPath.COMPILE) {
                return compilePath;
            }
        }
    }
    return null;
}