132 lines
4.8 KiB
Java
132 lines
4.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.websocket.pojo;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.lang.reflect.Method;
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import java.nio.ByteBuffer;
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import java.util.ArrayList;
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import java.util.List;
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import javax.websocket.DecodeException;
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import javax.websocket.Decoder;
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import javax.websocket.Decoder.Binary;
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import javax.websocket.Decoder.BinaryStream;
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import javax.websocket.EndpointConfig;
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import javax.websocket.Session;
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import org.apache.tomcat.util.res.StringManager;
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/**
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* ByteBuffer specific concrete implementation for handling whole messages.
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*/
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public class PojoMessageHandlerWholeBinary
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extends PojoMessageHandlerWholeBase<ByteBuffer> {
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private static final StringManager sm =
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StringManager.getManager(PojoMessageHandlerWholeBinary.class);
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private final List<Decoder> decoders = new ArrayList<>();
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private final boolean isForInputStream;
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public PojoMessageHandlerWholeBinary(Object pojo, Method method,
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Session session, EndpointConfig config,
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List<Class<? extends Decoder>> decoderClazzes, Object[] params,
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int indexPayload, boolean convert, int indexSession,
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boolean isForInputStream, long maxMessageSize) {
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super(pojo, method, session, params, indexPayload, convert,
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indexSession, maxMessageSize);
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// Update binary text size handled by session
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if (maxMessageSize > -1 && maxMessageSize > session.getMaxBinaryMessageBufferSize()) {
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if (maxMessageSize > Integer.MAX_VALUE) {
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throw new IllegalArgumentException(sm.getString(
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"pojoMessageHandlerWhole.maxBufferSize"));
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}
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session.setMaxBinaryMessageBufferSize((int) maxMessageSize);
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}
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try {
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if (decoderClazzes != null) {
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for (Class<? extends Decoder> decoderClazz : decoderClazzes) {
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if (Binary.class.isAssignableFrom(decoderClazz)) {
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Binary<?> decoder = (Binary<?>) decoderClazz.getConstructor().newInstance();
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decoder.init(config);
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decoders.add(decoder);
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} else if (BinaryStream.class.isAssignableFrom(
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decoderClazz)) {
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BinaryStream<?> decoder = (BinaryStream<?>)
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decoderClazz.getConstructor().newInstance();
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decoder.init(config);
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decoders.add(decoder);
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} else {
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// Text decoder - ignore it
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}
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}
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}
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} catch (ReflectiveOperationException e) {
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throw new IllegalArgumentException(e);
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}
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this.isForInputStream = isForInputStream;
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}
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@Override
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protected Object decode(ByteBuffer message) throws DecodeException {
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for (Decoder decoder : decoders) {
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if (decoder instanceof Binary) {
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if (((Binary<?>) decoder).willDecode(message)) {
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return ((Binary<?>) decoder).decode(message);
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}
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} else {
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byte[] array = new byte[message.limit() - message.position()];
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message.get(array);
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ByteArrayInputStream bais = new ByteArrayInputStream(array);
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try {
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return ((BinaryStream<?>) decoder).decode(bais);
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} catch (IOException ioe) {
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throw new DecodeException(message, sm.getString(
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"pojoMessageHandlerWhole.decodeIoFail"), ioe);
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}
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}
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}
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return null;
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}
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@Override
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protected Object convert(ByteBuffer message) {
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byte[] array = new byte[message.remaining()];
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message.get(array);
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if (isForInputStream) {
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return new ByteArrayInputStream(array);
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} else {
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return array;
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}
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}
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@Override
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protected void onClose() {
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for (Decoder decoder : decoders) {
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decoder.destroy();
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}
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}
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}
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