+++ /dev/null
-/*--------------------------------------------------------------------------\r
- * Copyright 2009 Taro L. Saito\r
- *\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- *--------------------------------------------------------------------------*/\r
-//--------------------------------------\r
-// XerialJ\r
-//\r
-// TreeWalkLog.java\r
-// Since: Feb 5, 2009 2:00:05 PM\r
-//\r
-// $URL: http://www.xerial.org/svn/project/XerialJ/trunk/xerial-core/src/test/java/org/xerial/silk/TreeWalkLog.java $\r
-// $Author: leo $\r
-//--------------------------------------\r
-package org.xerial.silk;\r
-\r
-import java.util.Iterator;\r
-import java.util.LinkedList;\r
-import java.util.List;\r
-\r
-import org.xerial.core.XerialException;\r
-import org.xerial.util.ArrayDeque;\r
-import org.xerial.util.Deque;\r
-import org.xerial.util.StringUtil;\r
-import org.xerial.util.log.Logger;\r
-import org.xerial.util.tree.TreeVisitor;\r
-import org.xerial.util.tree.TreeWalker;\r
-\r
-/**\r
- * Collects tree visitor event\r
- * \r
- * @author leo\r
- * \r
- */\r
-public class TreeWalkLog implements TreeVisitor {\r
- private static Logger _logger = Logger.getLogger(TreeWalkLog.class);\r
-\r
- public static enum Event {\r
- INIT, FINISH, VISIT, LEAVE\r
- }\r
-\r
- public static class EventLog {\r
- Event event;\r
- String nodeName = null;\r
- String value = null;\r
-\r
- public EventLog(Event event) {\r
- this.event = event;\r
- }\r
-\r
- public EventLog(Event event, String nodeName, String value) {\r
- this.event = event;\r
- this.nodeName = nodeName;\r
- this.value = value;\r
- }\r
-\r
- public static boolean strCmp(String a, String b) {\r
- if (a == null)\r
- return b == null;\r
- else {\r
- if (b == null)\r
- return false;\r
-\r
- return a.equals(b);\r
- }\r
- }\r
-\r
- @Override\r
- public boolean equals(Object o) {\r
- EventLog other = (EventLog) o;\r
- if (event != other.event)\r
- return false;\r
-\r
- if (!strCmp(nodeName, other.nodeName))\r
- return false;\r
-\r
- return strCmp(value, other.value);\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- if (nodeName != null) {\r
- if (value != null)\r
- return String.format("%s:%s=%s", event, nodeName, value);\r
- else\r
- return String.format("%s:%s", event, nodeName);\r
- }\r
- else {\r
- if (value != null)\r
- return String.format("%s:%s", event, value);\r
- else\r
- return String.format("%s", event);\r
- }\r
- }\r
- }\r
-\r
- private List<EventLog> log = new LinkedList<EventLog>();\r
-\r
- private Deque<StringBuilder> textStack = new ArrayDeque<StringBuilder>();\r
- private final StringBuilder EMPTY_BUFFER = new StringBuilder(0);\r
- private String pendingVisitNode = null;\r
-\r
- public void finish(TreeWalker walker) throws XerialException {\r
- log.add(new EventLog(Event.FINISH));\r
- }\r
-\r
- public void init(TreeWalker walker) throws XerialException {\r
- log.add(new EventLog(Event.INIT));\r
- textStack.addLast(EMPTY_BUFFER);\r
- }\r
-\r
- public void leaveNode(String nodeName, TreeWalker walker) throws XerialException {\r
- if (nodeName == null)\r
- return; // skip empty node leave (e.g. JSON Object root bracket)\r
-\r
- popPendingNode();\r
-\r
- log.add(new EventLog(Event.LEAVE, nodeName, null));\r
- textStack.removeLast();\r
- }\r
-\r
- public void text(String nodeName, String textDataFragment, TreeWalker walker)\r
- throws XerialException {\r
- if (textStack.peekLast() == EMPTY_BUFFER) {\r
- textStack.removeLast();\r
- textStack.addLast(new StringBuilder());\r
- }\r
- textStack.peekLast().append(textDataFragment);\r
- }\r
-\r
- private void popPendingNode() {\r
- if (pendingVisitNode != null) {\r
- if (textStack.peekLast() != EMPTY_BUFFER)\r
- log\r
- .add(new EventLog(Event.VISIT, pendingVisitNode, textStack.peekLast()\r
- .toString()));\r
- else\r
- log.add(new EventLog(Event.VISIT, pendingVisitNode, null));\r
-\r
- pendingVisitNode = null;\r
- }\r
- }\r
-\r
- public void visitNode(String nodeName, String immediateNodeValue, TreeWalker walker)\r
- throws XerialException {\r
- popPendingNode();\r
-\r
- if (nodeName == null)\r
- return; // skip empty node visit (e.g. JSON Object root bracket)\r
-\r
- pendingVisitNode = nodeName;\r
-\r
- if (immediateNodeValue != null)\r
- textStack.addLast(new StringBuilder(immediateNodeValue));\r
- else\r
- textStack.addLast(EMPTY_BUFFER);\r
- }\r
-\r
- public List<EventLog> getLog() {\r
- return log;\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return StringUtil.join(log, "\n");\r
- }\r
-\r
- public static boolean compare(TreeWalkLog a, TreeWalkLog b) {\r
- List<EventLog> l1 = a.getLog();\r
- List<EventLog> l2 = b.getLog();\r
-\r
- Iterator<EventLog> i1 = l1.iterator();\r
- Iterator<EventLog> i2 = l2.iterator();\r
-\r
- boolean doComparison = true;\r
-\r
- while (i1.hasNext() && i2.hasNext()) {\r
- EventLog e1 = i1.next();\r
- EventLog e2 = i2.next();\r
-\r
- if (!e1.equals(e2) && doComparison) {\r
- _logger.warn(String.format("--mismatch- %-20s %-20s", e1, e2));\r
- doComparison = false;\r
- }\r
- else {\r
- _logger.debug(String.format("compare ok: %-20s %-20s", e1, e2));\r
- }\r
- }\r
- if (l1.size() != l2.size())\r
- doComparison = false;\r
- return doComparison;\r
- }\r
-\r
-}\r
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