Examples with ObjectStreamClass java.io.ObjectStreamClass used on opensource projects

Example 36 with ObjectStreamClass

use of java.io.ObjectStreamClass in project jdk8u_jdk by JetBrains.

the class ClassDesc method run.

/**
     * Write and read class descriptors to/from a stream.
     * Arguments: <# cycles>
     */
public long run(String[] args) throws Exception {
    int ncycles = Integer.parseInt(args[0]);
    StreamBuffer sbuf = new StreamBuffer();
    ObjectOutputStream oout = new ObjectOutputStream(sbuf.getOutputStream());
    ObjectInputStream oin = new ObjectInputStream(sbuf.getInputStream());
    ObjectStreamClass desc = ObjectStreamClass.lookup(Dummy50.class);
    // warmup
    doReps(oout, oin, sbuf, desc, 1);
    long start = System.currentTimeMillis();
    doReps(oout, oin, sbuf, desc, ncycles);
    return System.currentTimeMillis() - start;
}

Example 37 with ObjectStreamClass

use of java.io.ObjectStreamClass in project android_frameworks_base by DirtyUnicorns.

the class Parcel method readSerializable.

private final Serializable readSerializable(final ClassLoader loader) {
    String name = readString();
    if (name == null) {
        // return null, which indicates that the name wasn't found in the parcel.
        return null;
    }
    byte[] serializedData = createByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(serializedData);
    try {
        ObjectInputStream ois = new ObjectInputStream(bais) {

            @Override
            protected Class<?> resolveClass(ObjectStreamClass osClass) throws IOException, ClassNotFoundException {
                // try the custom classloader if provided
                if (loader != null) {
                    Class<?> c = Class.forName(osClass.getName(), false, loader);
                    if (c != null) {
                        return c;
                    }
                }
                return super.resolveClass(osClass);
            }
        };
        return (Serializable) ois.readObject();
    } catch (IOException ioe) {
        throw new RuntimeException("Parcelable encountered " + "IOException reading a Serializable object (name = " + name + ")", ioe);
    } catch (ClassNotFoundException cnfe) {
        throw new RuntimeException("Parcelable encountered " + "ClassNotFoundException reading a Serializable object (name = " + name + ")", cnfe);
    }
}

Example 38 with ObjectStreamClass

use of java.io.ObjectStreamClass in project android_frameworks_base by ResurrectionRemix.

the class Parcel method readSerializable.

private final Serializable readSerializable(final ClassLoader loader) {
    String name = readString();
    if (name == null) {
        // return null, which indicates that the name wasn't found in the parcel.
        return null;
    }
    byte[] serializedData = createByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(serializedData);
    try {
        ObjectInputStream ois = new ObjectInputStream(bais) {

            @Override
            protected Class<?> resolveClass(ObjectStreamClass osClass) throws IOException, ClassNotFoundException {
                // try the custom classloader if provided
                if (loader != null) {
                    Class<?> c = Class.forName(osClass.getName(), false, loader);
                    if (c != null) {
                        return c;
                    }
                }
                return super.resolveClass(osClass);
            }
        };
        return (Serializable) ois.readObject();
    } catch (IOException ioe) {
        throw new RuntimeException("Parcelable encountered " + "IOException reading a Serializable object (name = " + name + ")", ioe);
    } catch (ClassNotFoundException cnfe) {
        throw new RuntimeException("Parcelable encountered " + "ClassNotFoundException reading a Serializable object (name = " + name + ")", cnfe);
    }
}

Example 39 with ObjectStreamClass

use of java.io.ObjectStreamClass in project apex-core by apache.

the class FSRecoveryHandler method restore.

@Override
public Object restore() throws IOException {
    FileContext fc = FileContext.getFileContext(fs.getUri());
    // recover from wherever it was left
    if (fc.util().exists(snapshotBackupPath)) {
        LOG.warn("Incomplete checkpoint, reverting to {}", snapshotBackupPath);
        fc.rename(snapshotBackupPath, snapshotPath, Rename.OVERWRITE);
        // combine logs (w/o append, create new file)
        Path tmpLogPath = new Path(basedir, "log.combined");
        try (FSDataOutputStream fsOut = fc.create(tmpLogPath, EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE))) {
            try (FSDataInputStream fsIn = fc.open(logBackupPath)) {
                IOUtils.copy(fsIn, fsOut);
            }
            try (FSDataInputStream fsIn = fc.open(logPath)) {
                IOUtils.copy(fsIn, fsOut);
            }
        }
        fc.rename(tmpLogPath, logPath, Rename.OVERWRITE);
        fc.delete(logBackupPath, false);
    } else {
        // failure between log rotation and writing checkpoint
        if (fc.util().exists(logBackupPath)) {
            LOG.warn("Found {}, did checkpointing fail?", logBackupPath);
            fc.rename(logBackupPath, logPath, Rename.OVERWRITE);
        }
    }
    if (!fc.util().exists(snapshotPath)) {
        LOG.debug("No existing checkpoint.");
        return null;
    }
    LOG.debug("Reading checkpoint {}", snapshotPath);
    InputStream is = fc.open(snapshotPath);
    // indeterministic class loading behavior
    // http://stackoverflow.com/questions/9110677/readresolve-not-working-an-instance-of-guavas-serializedform-appears
    final ClassLoader loader = Thread.currentThread().getContextClassLoader();
    try (ObjectInputStream ois = new ObjectInputStream(is) {

        @Override
        protected Class<?> resolveClass(ObjectStreamClass objectStreamClass) throws IOException, ClassNotFoundException {
            return Class.forName(objectStreamClass.getName(), true, loader);
        }
    }) {
        return ois.readObject();
    } catch (ClassNotFoundException cnfe) {
        throw new IOException("Failed to read checkpointed state", cnfe);
    }
}

Example 40 with ObjectStreamClass

use of java.io.ObjectStreamClass in project android_frameworks_base by crdroidandroid.

the class Parcel method readSerializable.

private final Serializable readSerializable(final ClassLoader loader) {
    String name = readString();
    if (name == null) {
        // return null, which indicates that the name wasn't found in the parcel.
        return null;
    }
    byte[] serializedData = createByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(serializedData);
    try {
        ObjectInputStream ois = new ObjectInputStream(bais) {

            @Override
            protected Class<?> resolveClass(ObjectStreamClass osClass) throws IOException, ClassNotFoundException {
                // try the custom classloader if provided
                if (loader != null) {
                    Class<?> c = Class.forName(osClass.getName(), false, loader);
                    if (c != null) {
                        return c;
                    }
                }
                return super.resolveClass(osClass);
            }
        };
        return (Serializable) ois.readObject();
    } catch (IOException ioe) {
        throw new RuntimeException("Parcelable encountered " + "IOException reading a Serializable object (name = " + name + ")", ioe);
    } catch (ClassNotFoundException cnfe) {
        throw new RuntimeException("Parcelable encountered " + "ClassNotFoundException reading a Serializable object (name = " + name + ")", cnfe);
    }
}