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package org.apache.commons.scxml.env; |
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import java.io.Serializable; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Set; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.apache.commons.scxml.ErrorReporter; |
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import org.apache.commons.scxml.model.SCXML; |
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import org.apache.commons.scxml.model.State; |
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import org.apache.commons.scxml.model.Transition; |
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import org.apache.commons.scxml.model.TransitionTarget; |
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import org.apache.commons.scxml.semantics.ErrorConstants; |
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public class SimpleErrorReporter implements ErrorReporter, Serializable { |
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private static final long serialVersionUID = 1L; |
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private Log log = LogFactory.getLog(getClass()); |
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public SimpleErrorReporter() { |
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super(); |
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} |
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public void onError(final String errorCode, final String errDetail, |
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final Object errCtx) { |
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String errCode = errorCode.intern(); |
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StringBuffer msg = new StringBuffer(); |
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msg.append(errCode).append(" ("); |
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msg.append(errDetail).append("): "); |
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if (errCode == ErrorConstants.NO_INITIAL) { |
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if (errCtx instanceof SCXML) { |
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msg.append("<SCXML>"); |
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} else if (errCtx instanceof State) { |
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msg.append("State " + LogUtils.getTTPath((State) errCtx)); |
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} |
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} else if (errCode == ErrorConstants.UNKNOWN_ACTION) { |
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msg.append("Action: " + errCtx.getClass().getName()); |
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} else if (errCode == ErrorConstants.NON_DETERMINISTIC) { |
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msg.append(" ["); |
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if (errCtx instanceof HashSet) { |
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for (Iterator i = ((Set) errCtx).iterator(); i.hasNext();) { |
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Transition t = (Transition) i.next(); |
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msg.append(LogUtils.transToString(t.getParent(), |
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t.getTarget(), t)); |
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if (i.hasNext()) { |
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msg.append(", "); |
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} |
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} |
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} |
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msg.append(']'); |
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} else if (errCode == ErrorConstants.ILLEGAL_CONFIG) { |
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if (errCtx instanceof Map.Entry) { |
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TransitionTarget tt = (TransitionTarget) |
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(((Map.Entry) errCtx).getKey()); |
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Set vals = (Set) (((Map.Entry) errCtx).getValue()); |
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msg.append(LogUtils.getTTPath(tt) + " : ["); |
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for (Iterator i = vals.iterator(); i.hasNext();) { |
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TransitionTarget tx = (TransitionTarget) i.next(); |
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msg.append(LogUtils.getTTPath(tx)); |
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if (i.hasNext()) { |
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msg.append(", "); |
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} |
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} |
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msg.append(']'); |
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} else if (errCtx instanceof Set) { |
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Set vals = (Set) errCtx; |
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msg.append("<SCXML> : ["); |
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for (Iterator i = vals.iterator(); i.hasNext();) { |
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TransitionTarget tx = (TransitionTarget) i.next(); |
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msg.append(LogUtils.getTTPath(tx)); |
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if (i.hasNext()) { |
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msg.append(", "); |
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} |
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} |
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msg.append(']'); |
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} |
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} |
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if (log.isWarnEnabled()) { |
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log.warn(msg.toString()); |
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} |
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} |
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} |
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