package example.chat;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.text.MessageFormat;
import com.yz.net.NetMessage;
/**
* <p>
* 输出消息，针对CMWAP用户的绑定消息，把所有输出消息组装成CMWAP用户能接收的消息类型
* </p>
* <br>
* @author 胡玮@ritsky
*
*/
public class CmWapBindMessage extends AbstractMessage implements NetMessage {
private OutputMessage[] outMessages;
private byte[] content;
/**是否能操作输出流 false:不能操作 true:能操作*/
//private boolean isCanOperationOutputStream;
public CmWapBindMessage(byte cmdtype, OutputMessage[] outMessages) {
super(cmdtype, null);
this.outMessages = outMessages;
}
@Override
public byte[] getContent() {
if(content == null) {
//定议HTTP响应头
StringBuilder sb = new StringBuilder(100);
sb.append("HTTP/1.1 {0} {1}\r\n");
sb.append("Content-Length: {2}\r\n");
sb.append("\r\n");
//计算内容的长度
int contentLen = 1; //命令字占一个字节
for(int i=0; i<outMessages.length; i++) {
int cmdsize = outMessages[i].getBody().length;
contentLen += 2;
contentLen += cmdsize;
}
MessageFormat mFormat = new MessageFormat(sb.toString());
String headstr = mFormat.format(new Object[] { 200, "OK", contentLen});
byte[] headdata = null;
try {
headdata = headstr.getBytes("ISO-8859-1");
} catch (UnsupportedEncodingException e) {}
ByteBuffer buffer = ByteBuffer.wrap(new byte[headdata.length + contentLen]);
buffer.clear();
buffer.put(headdata);
buffer.put(cmdtype);
for(int i=0; i<outMessages.length; i++) {
buffer.putShort((short) outMessages[i].getBody().length);
buffer.put(outMessages[i].getBody());
}
content = buffer.array();
}
return content;
}
}