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/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.marshalling;
import java.io.ObjectInputStream;
import java.io.IOException;
import java.io.ObjectInputValidation;
import java.io.NotActiveException;
import java.io.InvalidObjectException;
import java.io.ObjectStreamClass;
/**
* A marshaller's object input stream. Used by marshallers for compatibility with Java serialization. Instances of
* this class may be passed in to the overridden serialization methods for a class implementing {@link java.io.Serializable}.
*
* This class is not part of the marshalling API; rather it is intended for marshaller implementers to make it easier
* to develop Java serialization-compatible marshallers.
*/
public abstract class MarshallerObjectInputStream extends ObjectInputStream implements ByteInput {
private final Unmarshaller input;
/**
* Construct a new instance which delegates to the given unmarshaller.
*
* @param input the delegate unmarshaller
* @throws IOException if an I/O error occurs
* @throws SecurityException if the caller does not have permission to construct an instance of this class
*/
protected MarshallerObjectInputStream(final Unmarshaller input) throws IOException, SecurityException {
this.input = input;
}
// Delegated methods
/** {@inheritDoc} */
protected Object readObjectOverride() throws IOException, ClassNotFoundException {
return input.readObject();
}
/** {@inheritDoc} */
public Object readUnshared() throws IOException, ClassNotFoundException {
return input.readObjectUnshared();
}
/** {@inheritDoc} */
public int read() throws IOException {
return input.read();
}
/** {@inheritDoc} */
public int read(final byte[] buf) throws IOException {
return input.read(buf, 0, buf.length);
}
/** {@inheritDoc} */
public int read(final byte[] buf, final int off, final int len) throws IOException {
return input.read(buf, off, len);
}
/** {@inheritDoc} */
public int available() throws IOException {
return input.available();
}
/** {@inheritDoc} */
public boolean readBoolean() throws IOException {
return input.readBoolean();
}
/** {@inheritDoc} */
public byte readByte() throws IOException {
return input.readByte();
}
/** {@inheritDoc} */
public int readUnsignedByte() throws IOException {
return input.readUnsignedByte();
}
/** {@inheritDoc} */
public char readChar() throws IOException {
return input.readChar();
}
/** {@inheritDoc} */
public short readShort() throws IOException {
return input.readShort();
}
/** {@inheritDoc} */
public int readUnsignedShort() throws IOException {
return input.readUnsignedShort();
}
/** {@inheritDoc} */
public int readInt() throws IOException {
return input.readInt();
}
/** {@inheritDoc} */
public long readLong() throws IOException {
return input.readLong();
}
/** {@inheritDoc} */
public float readFloat() throws IOException {
return input.readFloat();
}
/** {@inheritDoc} */
public double readDouble() throws IOException {
return input.readDouble();
}
/** {@inheritDoc} */
public void readFully(final byte[] buf) throws IOException {
input.readFully(buf);
}
/** {@inheritDoc} */
public void readFully(final byte[] buf, final int off, final int len) throws IOException {
input.readFully(buf, off, len);
}
/** {@inheritDoc} */
public int skipBytes(final int len) throws IOException {
return input.skipBytes(len);
}
/** {@inheritDoc} */
@Deprecated
public String readLine() throws IOException {
return input.readLine();
}
/** {@inheritDoc} */
public String readUTF() throws IOException {
return input.readUTF();
}
/** {@inheritDoc} */
public long skip(final long n) throws IOException {
return input.skip(n);
}
// Unsupported methods
/** {@inheritDoc} */
public final void mark(final int readlimit) {
}
/** {@inheritDoc} */
public final void reset() throws IOException {
throw new IOException("mark/reset not supported");
}
/** {@inheritDoc} */
public final boolean markSupported() {
return false;
}
/** {@inheritDoc} */
public final void close() throws IllegalStateException {
throw new IllegalStateException("Stream may not be closed in this context");
}
/** {@inheritDoc} */
protected final Class resolveClass(final ObjectStreamClass desc) throws IllegalStateException {
throw new IllegalStateException("Class may not be resolved in this context");
}
/** {@inheritDoc} */
protected final Class resolveProxyClass(final String[] interfaces) throws IllegalStateException {
throw new IllegalStateException("Class may not be resolved in this context");
}
/** {@inheritDoc} */
protected final Object resolveObject(final Object obj) throws IllegalStateException {
throw new IllegalStateException("Object may not be resolved in this context");
}
/** {@inheritDoc} */
protected final boolean enableResolveObject(final boolean enable) throws IllegalStateException {
throw new IllegalStateException("Object resolution may not be enabled in this context");
}
/** {@inheritDoc} */
protected final void readStreamHeader() throws IllegalStateException {
throw new IllegalStateException("Stream header may not be read in this context");
}
/** {@inheritDoc} */
protected final ObjectStreamClass readClassDescriptor() throws IllegalStateException {
throw new IllegalStateException("Class descriptor may not be read in this context");
}
// User-implementation methods
/** {@inheritDoc} */
public abstract void defaultReadObject() throws IOException, ClassNotFoundException;
/** {@inheritDoc} */
public abstract GetField readFields() throws IOException, ClassNotFoundException;
/** {@inheritDoc} */
public abstract void registerValidation(final ObjectInputValidation obj, final int prio) throws NotActiveException, InvalidObjectException;
}