Java Code Examples for javax.tools.FileObject#openInputStream()

The following examples show how to use javax.tools.FileObject#openInputStream() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: ConfigLoader.java From deptective with Apache License 2.0

6 votes

private InputStream getConfigStream(Optional<Path> configFile, JavaFileManager jfm) {
    try {
        if (configFile.isPresent()) {
            return Files.newInputStream(configFile.get());
        }
        else {
            FileObject file = jfm.getFileForInput(StandardLocation.SOURCE_PATH, "", "deptective.json");

            if (file != null) {
                return file.openInputStream();
            }

            file = jfm.getFileForInput(StandardLocation.CLASS_PATH, "", "META-INF/deptective.json");

            if (file != null) {
                return file.openInputStream();
            }
        }
    }
    catch (IOException e) {
        throw new RuntimeException("Failed to load Deptective configuration file", e);
    }

    return null;
}

Example 2

Source File: AnnotatedMixins.java From Mixin with MIT License

6 votes

public Properties getProperties() {
    if (this.properties == null) {
        this.properties = new Properties();

        try {
            Filer filer = this.processingEnv.getFiler();
            FileObject propertyFile = filer.getResource(StandardLocation.SOURCE_PATH, "", "mixin.properties");
            if (propertyFile != null) {
                InputStream inputStream = propertyFile.openInputStream();
                this.properties.load(inputStream);
                inputStream.close();
            }
        } catch (Exception ex) {
            // ignore
        }
    }

    return this.properties;
}

Example 3

Source File: ResourcecifyProcessor.java From sundrio with Apache License 2.0

6 votes

/**
 * Copy one {@link FileObject} into an other.
 * @param source    The source {@link FileObject}.
 * @param target    The target {@link FileObject}.
 * @throws IOException
 */
public static void copy(FileObject source, FileObject target) throws IOException {
    InputStream in = source.openInputStream();
    OutputStream out = target.openOutputStream();
    try {
        byte[] buffer = new byte[1024];
        int len = in.read(buffer);
        while (len != -1) {
            out.write(buffer, 0, len);
            len = in.read(buffer);
        }
    } finally {
        in.close();
        out.close();
    }
}

Example 4

Source File: ConfigLoader.java From deptective with Apache License 2.0

6 votes

private InputStream getConfigStream(Optional<Path> configFile, JavaFileManager jfm) {
    try {
        if (configFile.isPresent()) {
            return Files.newInputStream(configFile.get());
        }
        else {
            FileObject file = jfm.getFileForInput(StandardLocation.SOURCE_PATH, "", "deptective.json");

            if (file != null) {
                return file.openInputStream();
            }

            file = jfm.getFileForInput(StandardLocation.CLASS_PATH, "", "META-INF/deptective.json");

            if (file != null) {
                return file.openInputStream();
            }
        }
    }
    catch (IOException e) {
        throw new RuntimeException("Failed to load Deptective configuration file", e);
    }

    return null;
}

Example 5

Source File: PropertiesDocReader.java From jasperreports with GNU Lesser General Public License v3.0

6 votes

private void readMessages()
{
	try
	{
		FileObject resource = environment.getFiler().getResource(StandardLocation.SOURCE_PATH, 
				"", properties.getMessagesName() + ".properties");
		
		Properties messages = new Properties();
		try (InputStream in = resource.openInputStream())
		{
			messages.load(in);
		}
		
		propertyMessages = messages;
	}
	catch (IOException e)
	{
		environment.getMessager().printMessage(Kind.WARNING, "Failed to read source of " 
				+ properties.getMessagesName() + ".properties: " + e.getMessage());
	}
}

Example 6

Source File: MultiReleaseJarAwareSJFM.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
    int n = name.lastIndexOf('.');
    String pkg = n == -1 ? "" : name.substring(0, n);
    String cls = name.substring(n + 1) + ".class";
    byte[] b;
    try {
        FileObject obj = jfm.getFileForInput(jloc, pkg, cls);
        try (InputStream is = obj.openInputStream()) {
            b = is.readAllBytes();
        }
    } catch (IOException x) {
        throw new ClassNotFoundException(x.getMessage(), x);
    }
    return defineClass(name, b, 0, b.length);
}

Example 7

Source File: ResourcesTest.java From doma with Apache License 2.0

5 votes

@Test
public void testFileObjectImpl_openInputStream() throws Exception {
  File file = File.createTempFile("aaa", null);
  try {
    FileObject fileObject = new Resources.FileObjectImpl(file.toPath());
    try (InputStream is = fileObject.openInputStream()) {
      is.read();
    }
  } finally {
    file.delete();
  }
}

Example 8

Source File: ClassUsageTrackerTest.java From buck with Apache License 2.0

5 votes

@Test
public void readingJavaAnnotationProcessorFileFromGetFileForOutputShouldNotBeTracked()
    throws IOException {
  FileObject fileObject =
      fileManager.getFileForOutput(ANNOTATION_PROCESSOR_PATH, null, SINGLE_FILE_NAME, null);

  fileObject.openInputStream();
  assertNoFilesRead();
}

Example 9

Source File: ClassUsageTrackerTest.java From buck with Apache License 2.0

5 votes

@Test
public void readingNonJavaAnnotationProcessorFileFromGetFileForOutputShouldNotBeTracked()
    throws IOException {
  FileObject fileObject =
      fileManager.getFileForOutput(
          ANNOTATION_PROCESSOR_PATH, null, SINGLE_NON_JAVA_FILE_NAME, null);

  fileObject.openInputStream();
  assertNoFilesRead();
}

Example 10

Source File: AnnotationProcessor.java From buck with Apache License 2.0

5 votes

@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
  try {
    FileObject resource =
        processingEnv.getFiler().getResource(StandardLocation.CLASS_PATH, "", "read_file.txt");

    InputStream stream = resource.openInputStream();
    stream.read();
  } catch (IOException e) {
    processingEnv
        .getMessager()
        .printMessage(Diagnostic.Kind.ERROR, "Could not open read_file.txt");
  }
  return false;
}

Example 11

Source File: Gen.java From openjdk-8-source with GNU General Public License v2.0

5 votes

private void writeIfChanged(byte[] b, FileObject file) throws IOException {
    boolean mustWrite = false;
    String event = "[No need to update file ";

    if (force) {
        mustWrite = true;
        event = "[Forcefully writing file ";
    } else {
        InputStream in;
        byte[] a;
        try {
            // regrettably, there's no API to get the length in bytes
            // for a FileObject, so we can't short-circuit reading the
            // file here
            in = file.openInputStream();
            a = readBytes(in);
            if (!Arrays.equals(a, b)) {
                mustWrite = true;
                event = "[Overwriting file ";

            }
        } catch (FileNotFoundException e) {
            mustWrite = true;
            event = "[Creating file ";
        }
    }

    if (util.verbose)
        util.log(event + file + "]");

    if (mustWrite) {
        OutputStream out = file.openOutputStream();
        out.write(b); /* No buffering, just one big write! */
        out.close();
    }
}

Example 12

Source File: Gen.java From hottub with GNU General Public License v2.0

5 votes

private void writeIfChanged(byte[] b, FileObject file) throws IOException {
    boolean mustWrite = false;
    String event = "[No need to update file ";

    if (force) {
        mustWrite = true;
        event = "[Forcefully writing file ";
    } else {
        InputStream in;
        byte[] a;
        try {
            // regrettably, there's no API to get the length in bytes
            // for a FileObject, so we can't short-circuit reading the
            // file here
            in = file.openInputStream();
            a = readBytes(in);
            if (!Arrays.equals(a, b)) {
                mustWrite = true;
                event = "[Overwriting file ";

            }
        } catch (FileNotFoundException e) {
            mustWrite = true;
            event = "[Creating file ";
        }
    }

    if (util.verbose)
        util.log(event + file + "]");

    if (mustWrite) {
        OutputStream out = file.openOutputStream();
        out.write(b); /* No buffering, just one big write! */
        out.close();
    }
}

Example 13

Source File: ClassUsageTrackerTest.java From buck with Apache License 2.0

5 votes

@Test
public void readingNonJavaFileFromGetFileForInputShouldBeTracked() throws IOException {
  FileObject fileObject = fileManager.getFileForInput(null, null, SINGLE_NON_JAVA_FILE_NAME);

  fileObject.openInputStream();
  assertTrue(fileWasRead(TEST_JAR_PATH, SINGLE_NON_JAVA_FILE_NAME));
}

Example 14

Source File: Gen.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

private void writeIfChanged(byte[] b, FileObject file) throws IOException {
    boolean mustWrite = false;
    String event = "[No need to update file ";

    if (force) {
        mustWrite = true;
        event = "[Forcefully writing file ";
    } else {
        InputStream in;
        byte[] a;
        try {
            // regrettably, there's no API to get the length in bytes
            // for a FileObject, so we can't short-circuit reading the
            // file here
            in = file.openInputStream();
            a = readBytes(in);
            if (!Arrays.equals(a, b)) {
                mustWrite = true;
                event = "[Overwriting file ";

            }
        } catch (FileNotFoundException | NoSuchFileException e) {
            mustWrite = true;
            event = "[Creating file ";
        }
    }

    if (util.verbose)
        util.log(event + file + "]");

    if (mustWrite) {
        OutputStream out = file.openOutputStream();
        out.write(b); /* No buffering, just one big write! */
        out.close();
    }
}

Example 15

Source File: ClassUsageTrackerTest.java From buck with Apache License 2.0

5 votes

@Test
public void readingJavaAnnotationProcessorFileFromGetFileForInputShouldNotBeTracked()
    throws IOException {
  FileObject fileObject =
      fileManager.getFileForInput(ANNOTATION_PROCESSOR_PATH, null, SINGLE_FILE_NAME);

  fileObject.openInputStream();
  assertNoFilesRead();
}

Example 16

Source File: MIMEResolverProcessor.java From netbeans with Apache License 2.0

5 votes

private byte[] generateInstanceResolver(FileObject fo, Element e, File f,
        Registration r) throws LayerGenerationException {
    try {
        InputStream is = fo.openInputStream();
        org.openide.filesystems.FileObject tmp = FileUtil.createMemoryFileSystem().getRoot().createData("resolver.xml");
        OutputStream os = tmp.getOutputStream();
        for (;;) {
            int ch = is.read();
            if (ch == -1) {
                break;
            }
            os.write(ch);
        }
        os.close();
        is.close();
        MIMEResolver resolver = MIMEResolverImpl.forDescriptor(tmp, false);
        setFileChooserRelatedAttributes(r, resolver, f);
        final byte[] almostResult = MIMEResolverImpl.toStream(resolver);
        // XXX: it would be slightly shorter to return the array directly,
        // but the XMLFileSystem insist on deserializing the value, it does
        // not support returning plain byte[]
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(out);
        oos.writeObject(almostResult);
        oos.close();
        return out.toByteArray();
    } catch (IOException ex) {
        final LayerGenerationException le = new LayerGenerationException("Cannot process " + fo, e);
        le.initCause(ex);
        throw le;
    }
}

Example 17

Source File: Gen.java From openjdk-jdk8u with GNU General Public License v2.0

5 votes

private void writeIfChanged(byte[] b, FileObject file) throws IOException {
    boolean mustWrite = false;
    String event = "[No need to update file ";

    if (force) {
        mustWrite = true;
        event = "[Forcefully writing file ";
    } else {
        InputStream in;
        byte[] a;
        try {
            // regrettably, there's no API to get the length in bytes
            // for a FileObject, so we can't short-circuit reading the
            // file here
            in = file.openInputStream();
            a = readBytes(in);
            if (!Arrays.equals(a, b)) {
                mustWrite = true;
                event = "[Overwriting file ";

            }
        } catch (FileNotFoundException e) {
            mustWrite = true;
            event = "[Creating file ";
        }
    }

    if (util.verbose)
        util.log(event + file + "]");

    if (mustWrite) {
        OutputStream out = file.openOutputStream();
        out.write(b); /* No buffering, just one big write! */
        out.close();
    }
}

Example 18

Source File: SlimConfigurationProcessor.java From spring-init with Apache License 2.0

5 votes

public void loadState() {
	Properties properties = new Properties();
	try {
		FileObject resource = filer.getResource(StandardLocation.CLASS_OUTPUT, "",
				SLIM_STATE_PATH);
		try (InputStream stream = resource.openInputStream();) {
			properties.load(stream);
		}
		messager.printMessage(Kind.NOTE,
				"Loading imports information from previous build:" + properties);
		for (Map.Entry<Object, Object> property : properties.entrySet()) {
			String annotationType = (String) property.getKey(); // registrarinitializer.XXXX.YYY.ZZZ
			String k = annotationType.substring("import.".length());
			TypeElement kte = utils.asTypeElement(k);
			for (String v : ((String) property.getValue()).split(",")) {
				TypeElement vte = utils.asTypeElement(v);
				if (kte == null || vte == null) {
					// TODO need to cope with types being removed across incremental
					// builds - is this ok?
					messager.printMessage(Kind.NOTE,
							"Looks like a type has been removed, ignoring registrar entry "
									+ k + "=" + v + " resolved to " + kte + "="
									+ vte);
				}
				else {
					imports.addImport(kte, vte);
				}
			}
		}
		messager.printMessage(Kind.NOTE,
				"Loaded " + properties.size() + " import definitions");
	}
	catch (IOException e) {
		messager.printMessage(Kind.NOTE,
				"Cannot load " + SLIM_STATE_PATH + " (normal on first full build)");
	}
}

Example 19

Source File: Gen.java From jdk8u60 with GNU General Public License v2.0

5 votes

private void writeIfChanged(byte[] b, FileObject file) throws IOException {
    boolean mustWrite = false;
    String event = "[No need to update file ";

    if (force) {
        mustWrite = true;
        event = "[Forcefully writing file ";
    } else {
        InputStream in;
        byte[] a;
        try {
            // regrettably, there's no API to get the length in bytes
            // for a FileObject, so we can't short-circuit reading the
            // file here
            in = file.openInputStream();
            a = readBytes(in);
            if (!Arrays.equals(a, b)) {
                mustWrite = true;
                event = "[Overwriting file ";

            }
        } catch (FileNotFoundException e) {
            mustWrite = true;
            event = "[Creating file ";
        }
    }

    if (util.verbose)
        util.log(event + file + "]");

    if (mustWrite) {
        OutputStream out = file.openOutputStream();
        out.write(b); /* No buffering, just one big write! */
        out.close();
    }
}

Example 20

Source File: ClassUsageTrackerTest.java From buck with Apache License 2.0

5 votes

@Test
public void readingJavaFileFromGetFileForInputShouldBeTracked() throws IOException {
  FileObject fileObject = fileManager.getFileForInput(null, null, SINGLE_FILE_NAME);

  fileObject.openInputStream();
  assertFilesRead(TEST_JAR_PATH, SINGLE_FILE_NAME);
}