Java tutorial
/** * Copyright 2012 Nikita Koksharov * * 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 com.corundumstudio.socketio; import io.netty.buffer.ByteBufInputStream; import io.netty.buffer.ByteBufOutputStream; import java.io.IOException; import java.util.List; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.corundumstudio.socketio.protocol.AckArgs; import com.corundumstudio.socketio.protocol.JsonSupport; class JsonSupportWrapper implements JsonSupport { private final Logger log = LoggerFactory.getLogger(getClass()); private final JsonSupport delegate; JsonSupportWrapper(JsonSupport delegate) { this.delegate = delegate; } public AckArgs readAckArgs(ByteBufInputStream src, AckCallback<?> callback) throws IOException { try { return delegate.readAckArgs(src, callback); } catch (Exception e) { src.reset(); log.error("Can't read ack args: " + src.readLine() + " for type: " + callback.getResultClass(), e); throw new IOException(e); } } public <T> T readValue(String namespaceName, ByteBufInputStream src, Class<T> valueType) throws IOException { try { return delegate.readValue(namespaceName, src, valueType); } catch (Exception e) { src.reset(); log.error("Can't read value: " + src.readLine() + " for type: " + valueType, e); throw new IOException(e); } } public void writeValue(ByteBufOutputStream out, Object value) throws IOException { try { delegate.writeValue(out, value); } catch (Exception e) { log.error("Can't write value: " + value, e); throw new IOException(e); } } public void addEventMapping(String namespaceName, String eventName, Class<?>... eventClass) { delegate.addEventMapping(namespaceName, eventName, eventClass); } public void removeEventMapping(String namespaceName, String eventName) { delegate.removeEventMapping(namespaceName, eventName); } @Override public List<byte[]> getArrays() { return delegate.getArrays(); } }