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| 1 | +package ru.javaops.web.handler; |
| 2 | + |
| 3 | + |
| 4 | +import com.sun.xml.txw2.output.IndentingXMLStreamWriter; |
| 5 | +import com.sun.xml.ws.api.handler.MessageHandlerContext; |
| 6 | +import com.sun.xml.ws.api.message.Message; |
| 7 | +import com.sun.xml.ws.api.streaming.XMLStreamWriterFactory; |
| 8 | +import lombok.extern.slf4j.Slf4j; |
| 9 | +import org.slf4j.event.Level; |
| 10 | + |
| 11 | +import javax.xml.stream.XMLStreamWriter; |
| 12 | +import java.io.ByteArrayOutputStream; |
| 13 | +import java.nio.charset.StandardCharsets; |
| 14 | +import java.util.EnumMap; |
| 15 | +import java.util.Map; |
| 16 | + |
| 17 | +/** |
| 18 | + * Refactored from: |
| 19 | + * |
| 20 | + * @see {http://weblogs.java.net/blog/ramapulavarthi/archive/2007/12/extend_your_web.html |
| 21 | + * http://fisheye5.cenqua.com/browse/jax-ws-sources/jaxws-ri/samples/efficient_handler/src/efficient_handler/common/LoggingHandler.java?r=MAIN} |
| 22 | + * <p/> |
| 23 | + * This simple LoggingHandler will log the contents of incoming |
| 24 | + * and outgoing messages. This is implemented as a MessageHandler |
| 25 | + * for better performance over SOAPHandler. |
| 26 | + */ |
| 27 | +@Slf4j |
| 28 | +public abstract class SoapLoggingHandler extends SoapBaseHandler { |
| 29 | + |
| 30 | + private final Level loggingLevel; |
| 31 | + |
| 32 | + protected SoapLoggingHandler(Level loggingLevel) { |
| 33 | + this.loggingLevel = loggingLevel; |
| 34 | + } |
| 35 | + |
| 36 | + private static final Map<Level, HANDLER> HANDLER_MAP = new EnumMap<Level, HANDLER>(Level.class) { |
| 37 | + { |
| 38 | + put(Level.TRACE, HANDLER.DEBUG); |
| 39 | + put(Level.DEBUG, HANDLER.DEBUG); |
| 40 | + put(Level.INFO, HANDLER.INFO); |
| 41 | + put(Level.WARN, HANDLER.ERROR); |
| 42 | + put(Level.ERROR, HANDLER.ERROR); |
| 43 | + } |
| 44 | + }; |
| 45 | + |
| 46 | + protected enum HANDLER { |
| 47 | + NONE { |
| 48 | + @Override |
| 49 | + public void handleFault(MessageHandlerContext mhc) { |
| 50 | + } |
| 51 | + |
| 52 | + @Override |
| 53 | + public void handleMessage(MessageHandlerContext mhc, boolean isRequest) { |
| 54 | + } |
| 55 | + }, |
| 56 | + ERROR { |
| 57 | + private static final String REQUEST_MSG = "REQUEST_MSG"; |
| 58 | + |
| 59 | + public void handleFault(MessageHandlerContext context) { |
| 60 | + log.error("Fault SOAP request:\n" + getMessageText(((Message) context.get(REQUEST_MSG)))); |
| 61 | + } |
| 62 | + |
| 63 | + public void handleMessage(MessageHandlerContext context, boolean isRequest) { |
| 64 | + if (isRequest) { |
| 65 | + context.put(REQUEST_MSG, context.getMessage().copy()); |
| 66 | + } |
| 67 | + } |
| 68 | + }, |
| 69 | + INFO { |
| 70 | + public void handleFault(MessageHandlerContext context) { |
| 71 | + ERROR.handleFault(context); |
| 72 | + } |
| 73 | + |
| 74 | + public void handleMessage(MessageHandlerContext context, boolean isRequest) { |
| 75 | + ERROR.handleMessage(context, isRequest); |
| 76 | + log.info((isRequest ? "SOAP request: " : "SOAP response: ") + context.getMessage().getPayloadLocalPart()); |
| 77 | + } |
| 78 | + }, |
| 79 | + DEBUG { |
| 80 | + public void handleFault(MessageHandlerContext context) { |
| 81 | + log.error("Fault SOAP message:\n" + getMessageText(context.getMessage().copy())); |
| 82 | + } |
| 83 | + |
| 84 | + public void handleMessage(MessageHandlerContext context, boolean isRequest) { |
| 85 | + log.info((isRequest ? "SOAP request:\n" : "SOAP response:\n") + getMessageText(context.getMessage().copy())); |
| 86 | + } |
| 87 | + }; |
| 88 | + |
| 89 | + public abstract void handleMessage(MessageHandlerContext mhc, boolean isRequest); |
| 90 | + |
| 91 | + public abstract void handleFault(MessageHandlerContext mhc); |
| 92 | + |
| 93 | + protected static String getMessageText(Message msg) { |
| 94 | + try { |
| 95 | + ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| 96 | + XMLStreamWriter writer = XMLStreamWriterFactory.create(out, "UTF-8"); |
| 97 | + IndentingXMLStreamWriter wrap = new IndentingXMLStreamWriter(writer); |
| 98 | + msg.writeTo(wrap); |
| 99 | + return out.toString(StandardCharsets.UTF_8.name()); |
| 100 | + } catch (Exception e) { |
| 101 | + log.warn("Coudn't get SOAP message for logging", e); |
| 102 | + return null; |
| 103 | + } |
| 104 | + } |
| 105 | + } |
| 106 | + |
| 107 | + abstract protected boolean isRequest(boolean isOutbound); |
| 108 | + |
| 109 | + @Override |
| 110 | + public boolean handleMessage(MessageHandlerContext mhc) { |
| 111 | + HANDLER_MAP.get(loggingLevel).handleMessage(mhc, isRequest(isOutbound(mhc))); |
| 112 | + return true; |
| 113 | + } |
| 114 | + |
| 115 | + @Override |
| 116 | + public boolean handleFault(MessageHandlerContext mhc) { |
| 117 | + HANDLER_MAP.get(loggingLevel).handleFault(mhc); |
| 118 | + return true; |
| 119 | + } |
| 120 | +} |
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