[logback-dev] [GIT] Logback: the generic, reliable, fast and flexible logging framework. branch, master, updated. release_0.9.19-6-g2391b73
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- Log -----------------------------------------------------------------
http://git.qos.ch/gitweb/?p=logback.git;a=commit;h=2391b73837b528d78505a0b3a339b533b791d283
http://github.com/ceki/logback/commit/2391b73837b528d78505a0b3a339b533b791d283
commit 2391b73837b528d78505a0b3a339b533b791d283
Author: Ceki Gulcu <ceki at qos.ch>
Date: Mon Mar 29 20:06:23 2010 +0200
- added missing files for if-then-else support in Joran (this is still ongoing work).
diff --git a/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/Condition.java b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/Condition.java
new file mode 100644
index 0000000..344ffcf
--- /dev/null
+++ b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/Condition.java
@@ -0,0 +1,18 @@
+/**
+ * Logback: the reliable, generic, fast and flexible logging framework.
+ * Copyright (C) 1999-2010, QOS.ch. All rights reserved.
+ *
+ * This program and the accompanying materials are dual-licensed under either
+ * the terms of the Eclipse Public License v1.0 as published by the Eclipse
+ * Foundation
+ *
+ * or (per the licensee's choosing)
+ *
+ * under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ */
+package ch.qos.logback.core.joran.conditional;
+
+public interface Condition {
+ public boolean evaluate();
+}
diff --git a/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ElseAction.java b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ElseAction.java
new file mode 100644
index 0000000..63ede3f
--- /dev/null
+++ b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ElseAction.java
@@ -0,0 +1,44 @@
+package ch.qos.logback.core.joran.conditional;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.xml.sax.Attributes;
+
+import ch.qos.logback.core.joran.action.Action;
+import ch.qos.logback.core.joran.event.InPlayListener;
+import ch.qos.logback.core.joran.event.SaxEvent;
+import ch.qos.logback.core.joran.spi.ActionException;
+import ch.qos.logback.core.joran.spi.InterpretationContext;
+
+public class ElseAction extends Action implements InPlayListener {
+
+ List<SaxEvent> saxEventList;
+
+ @Override
+ public void begin(InterpretationContext ic, String name, Attributes attributes)
+ throws ActionException {
+ saxEventList = new ArrayList<SaxEvent>();
+ ic.addInPlayListener(this);
+ }
+
+ @Override
+ public void end(InterpretationContext ic, String name) throws ActionException {
+ ic.removeInPlayListener(this);
+ Object o = ic.peekObject();
+ if (o instanceof IfAction) {
+ IfAction ifAction = (IfAction) o;
+ removeFirstLastFromList();
+ ifAction.setElseSaxEventList(saxEventList);
+ }
+ }
+
+ public void inPlay(SaxEvent event) {
+ saxEventList.add(event);
+ }
+
+ void removeFirstLastFromList() {
+ saxEventList.remove(0);
+ saxEventList.remove(saxEventList.size() - 1);
+ }
+}
diff --git a/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/IfAction.java b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/IfAction.java
new file mode 100644
index 0000000..23eaf7c
--- /dev/null
+++ b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/IfAction.java
@@ -0,0 +1,90 @@
+package ch.qos.logback.core.joran.conditional;
+
+import java.util.List;
+
+import org.xml.sax.Attributes;
+
+import ch.qos.logback.core.joran.action.Action;
+import ch.qos.logback.core.joran.event.SaxEvent;
+import ch.qos.logback.core.joran.spi.ActionException;
+import ch.qos.logback.core.joran.spi.InterpretationContext;
+import ch.qos.logback.core.joran.spi.Interpreter;
+import ch.qos.logback.core.util.OptionHelper;
+
+public class IfAction extends Action {
+ private static final String CONDITION_ATTR = "condition";
+
+ Boolean boolResult;
+ List<SaxEvent> thenSaxEventList;
+ List<SaxEvent> elseSaxEventList;
+
+ @Override
+ public void begin(InterpretationContext ic, String name, Attributes attributes)
+ throws ActionException {
+
+ ic.pushObject(this);
+ Condition condition = null;
+ String conditionAttribute = attributes.getValue(CONDITION_ATTR);
+ if (!OptionHelper.isEmpty(conditionAttribute)) {
+ PropertyEvalScriptBuilder pesb = new PropertyEvalScriptBuilder();
+ pesb.setContext(context);
+ try {
+ condition = pesb.build(conditionAttribute);
+ } catch (Exception e) {
+ addError("Faield to parse condition ["+conditionAttribute+"]", e);
+ }
+
+ if(condition!=null) {
+ boolResult = condition.evaluate();
+ }
+
+ }
+ }
+
+
+ @Override
+ public void end(InterpretationContext ic, String name) throws ActionException {
+
+ Object o = ic.peekObject();
+ if (o == null) {
+ throw new IllegalStateException("Unexpected null object on stack");
+ }
+ if (!(o instanceof IfAction)) {
+ throw new IllegalStateException("Unexpected object of type ["
+ + o.getClass() + "] on stack");
+ }
+
+ if (o != this) {
+ throw new IllegalStateException(
+ "IfAction different then current one on stack");
+ }
+ ic.popObject();
+
+ if (boolResult == null) {
+ addError("Failed to determine \"if then else\" result");
+ return;
+ }
+
+ Interpreter interpreter = ic.getJoranInterpreter();
+ List<SaxEvent> listToPlay = thenSaxEventList;
+ if (!boolResult) {
+ listToPlay = elseSaxEventList;
+ }
+
+ if (interpreter.pattern.peekLast().equals("if")) {
+ interpreter.pattern.pop();
+ interpreter.play(listToPlay);
+ interpreter.pattern.push("if");
+ }
+
+ }
+
+ public void setThenSaxEventList(List<SaxEvent> thenSaxEventList) {
+ this.thenSaxEventList = thenSaxEventList;
+ }
+
+ public void setElseSaxEventList(List<SaxEvent> elseSaxEventList) {
+ this.elseSaxEventList = elseSaxEventList;
+ }
+
+}
diff --git a/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/MapWrapperForScripts.java b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/MapWrapperForScripts.java
new file mode 100644
index 0000000..e20a9ec
--- /dev/null
+++ b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/MapWrapperForScripts.java
@@ -0,0 +1,57 @@
+/**
+ * Logback: the reliable, generic, fast and flexible logging framework.
+ * Copyright (C) 1999-2010, QOS.ch. All rights reserved.
+ *
+ * This program and the accompanying materials are dual-licensed under either
+ * the terms of the Eclipse Public License v1.0 as published by the Eclipse
+ * Foundation
+ *
+ * or (per the licensee's choosing)
+ *
+ * under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ */
+package ch.qos.logback.core.joran.conditional;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class MapWrapperForScripts {
+ public Map map = new HashMap<String, String>();
+ public String name;
+
+
+ public void setMap(Map map) {
+ this.map = map;
+ }
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public boolean isNull(String k) {
+ Object o = map.get(k);
+ if (o instanceof String) {
+ return false;
+ }
+ return (System.getProperty(k) == null);
+ }
+
+ public String p(String k) {
+ return property(k);
+ }
+
+ public String property(String k) {
+ Object o = map.get(k);
+ if (o instanceof String) {
+ return (String) o;
+ }
+ String v = System.getProperty(k);
+ if(v != null) {
+ return v;
+ }
+ System.getProperties();
+ return "";
+ }
+
+
+}
diff --git a/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilder.java b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilder.java
new file mode 100644
index 0000000..e29c414
--- /dev/null
+++ b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilder.java
@@ -0,0 +1,49 @@
+package ch.qos.logback.core.joran.conditional;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.codehaus.janino.ClassBodyEvaluator;
+import org.codehaus.janino.CompileException;
+import org.codehaus.janino.Parser.ParseException;
+import org.codehaus.janino.Scanner.ScanException;
+import org.junit.Before;
+
+import ch.qos.logback.core.spi.ContextAwareBase;
+
+public class PropertyEvalScriptBuilder extends ContextAwareBase {
+
+ private static String SCRIPT_PREFIX = ""
+ + "public boolean evaluate() { return ";
+ private static String SCRIPT_SUFFIX = "" + "; }";
+
+ static String SCRIPT = ""
+ + "public boolean eval() { return p(\"Ka\").equals(\"Va\"); }";
+
+ Map<String, String> map = new HashMap<String, String>();
+
+ @Before
+ public Condition build(String script) throws IllegalAccessException,
+ CompileException, ParseException, ScanException, InstantiationException,
+ SecurityException, NoSuchMethodException, IllegalArgumentException,
+ InvocationTargetException {
+
+ ClassBodyEvaluator cbe = new ClassBodyEvaluator();
+ cbe.setImplementedTypes(new Class[] { Condition.class });
+ cbe.setExtendedType(MapWrapperForScripts.class);
+ cbe.cook(SCRIPT_PREFIX + script + SCRIPT_SUFFIX);
+
+ Class<?> clazz = cbe.getClazz();
+ Condition instance = (Condition) clazz.newInstance();
+ Method setMapMethod = clazz.getMethod("setMap", Map.class);
+ setMapMethod.invoke(instance, context.getCopyOfPropertyMap());
+
+ Method setNameMethod = clazz.getMethod("setName", String.class);
+ setNameMethod.invoke(instance, context.getName());
+
+ return instance;
+ }
+
+}
diff --git a/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ThenAction.java b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ThenAction.java
new file mode 100644
index 0000000..5e5f99b
--- /dev/null
+++ b/logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ThenAction.java
@@ -0,0 +1,46 @@
+package ch.qos.logback.core.joran.conditional;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.xml.sax.Attributes;
+
+import ch.qos.logback.core.joran.action.Action;
+import ch.qos.logback.core.joran.event.InPlayListener;
+import ch.qos.logback.core.joran.event.SaxEvent;
+import ch.qos.logback.core.joran.spi.ActionException;
+import ch.qos.logback.core.joran.spi.InterpretationContext;
+
+public class ThenAction extends Action implements InPlayListener {
+
+ List<SaxEvent> eventList;
+
+ @Override
+ public void begin(InterpretationContext ic, String name, Attributes attributes)
+ throws ActionException {
+ eventList = new ArrayList<SaxEvent>();
+ ic.addInPlayListener(this);
+ }
+
+ @Override
+ public void end(InterpretationContext ic, String name) throws ActionException {
+ ic.removeInPlayListener(this);
+ Object o = ic.peekObject();
+ if (o instanceof IfAction) {
+ IfAction ifAction = (IfAction) o;
+ removeFirstLastFromList();
+ ifAction.setThenSaxEventList(eventList);
+ } else {
+ throw new IllegalStateException("Missing IfAction on top of stack");
+ }
+ }
+
+ public void inPlay(SaxEvent event) {
+ eventList.add(event);
+ }
+
+ void removeFirstLastFromList() {
+ eventList.remove(0);
+ eventList.remove(eventList.size() - 1);
+ }
+}
diff --git a/logback-core/src/test/input/joran/conditional/if0.xml b/logback-core/src/test/input/joran/conditional/if0.xml
new file mode 100644
index 0000000..0273e59
--- /dev/null
+++ b/logback-core/src/test/input/joran/conditional/if0.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<x>
+ <if condition='p("Ki1").equals("Val1")'>
+ <then>
+ <inc increment="1"/>
+ </then>
+ <else>
+ <inc increment="1"/>
+ <inc increment="1"/>
+ </else>
+ </if>
+</x>
diff --git a/logback-core/src/test/input/joran/conditional/if2.xml b/logback-core/src/test/input/joran/conditional/if2.xml
new file mode 100644
index 0000000..bc70e1f
--- /dev/null
+++ b/logback-core/src/test/input/joran/conditional/if2.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<x>
+ <if class="">
+ <a>asd</a>
+ <then>
+ <inc increment="1"/>
+ </then>
+ <else>
+ <inc increment="1"/>
+ <inc increment="1"/>
+ </else>
+ </if>
+</x>
diff --git a/logback-core/src/test/java/ch/qos/logback/core/joran/conditional/IfThenElseTest.java b/logback-core/src/test/java/ch/qos/logback/core/joran/conditional/IfThenElseTest.java
new file mode 100644
index 0000000..bf9aa89
--- /dev/null
+++ b/logback-core/src/test/java/ch/qos/logback/core/joran/conditional/IfThenElseTest.java
@@ -0,0 +1,88 @@
+/**
+ * Logback: the reliable, generic, fast and flexible logging framework.
+ * Copyright (C) 1999-2010, QOS.ch. All rights reserved.
+ *
+ * This program and the accompanying materials are dual-licensed under either
+ * the terms of the Eclipse Public License v1.0 as published by the Eclipse
+ * Foundation
+ *
+ * or (per the licensee's choosing)
+ *
+ * under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ */
+package ch.qos.logback.core.joran.conditional;
+
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.HashMap;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import ch.qos.logback.core.Context;
+import ch.qos.logback.core.ContextBase;
+import ch.qos.logback.core.joran.TrivialConfigurator;
+import ch.qos.logback.core.joran.action.Action;
+import ch.qos.logback.core.joran.action.NOPAction;
+import ch.qos.logback.core.joran.action.ext.IncAction;
+import ch.qos.logback.core.joran.spi.JoranException;
+import ch.qos.logback.core.joran.spi.Pattern;
+import ch.qos.logback.core.testUtil.RandomUtil;
+import ch.qos.logback.core.util.CoreTestConstants;
+import ch.qos.logback.core.util.StatusPrinter;
+
+public class IfThenElseTest {
+
+ Context context = new ContextBase();
+ TrivialConfigurator tc;
+ int diff = RandomUtil.getPositiveInt();
+ static final String CONDITIONAL_DIR_PREFIX = CoreTestConstants.JORAN_INPUT_PREFIX
+ + "conditional/";
+
+
+ @Before
+ public void setUp() throws Exception {
+ HashMap<Pattern, Action> rulesMap = new HashMap<Pattern, Action>();
+ rulesMap.put(new Pattern("x"), new NOPAction());
+ rulesMap.put(new Pattern("x/inc"), new IncAction());
+ rulesMap.put(new Pattern("*/if"), new IfAction());
+ rulesMap.put(new Pattern("*/if/then"), new ThenAction());
+ rulesMap.put(new Pattern("*/if/then/*"), new NOPAction());
+ rulesMap.put(new Pattern("*/if/else"), new ElseAction());
+ rulesMap.put(new Pattern("*/if/else/*"), new NOPAction());
+
+ tc = new TrivialConfigurator(rulesMap);
+ tc.setContext(context);
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ IncAction.reset();
+ }
+
+ @Test
+ public void if0_Then() throws JoranException {
+ context.putProperty("Ki1", "Val1");
+ tc.doConfigure(CONDITIONAL_DIR_PREFIX+"if0.xml");
+ verifyConfig(1);
+ }
+
+ @Test
+ public void if0_Else() throws JoranException {
+ tc.doConfigure(CONDITIONAL_DIR_PREFIX+"if0.xml");
+ StatusPrinter.print(context);
+ verifyConfig(2);
+ }
+
+
+ void verifyConfig(int expected) {
+ assertEquals(expected, IncAction.beginCount);
+ assertEquals(expected, IncAction.endCount);
+ }
+
+
+
+}
diff --git a/logback-core/src/test/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilderTest.java b/logback-core/src/test/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilderTest.java
new file mode 100644
index 0000000..aab2646
--- /dev/null
+++ b/logback-core/src/test/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilderTest.java
@@ -0,0 +1,74 @@
+package ch.qos.logback.core.joran.conditional;
+
+import static org.junit.Assert.*;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import ch.qos.logback.core.Context;
+import ch.qos.logback.core.ContextBase;
+import ch.qos.logback.core.testUtil.RandomUtil;
+
+public class PropertyEvalScriptBuilderTest {
+
+
+ Context context = new ContextBase();
+ PropertyEvalScriptBuilder pesb = new PropertyEvalScriptBuilder();
+ int diff = RandomUtil.getPositiveInt();
+
+ @Before
+ public void setUp() {
+ context.setName("c"+diff);
+ pesb.setContext(context);
+ }
+
+ @Test
+ public void existing() throws Exception {
+ String k = "ka"+diff;
+ context.putProperty("ka"+diff, "va");
+ Condition condition = pesb.build("p(\""+k+"\").contains(\"va\")");
+ assertNotNull(condition);
+ assertTrue(condition.evaluate());
+ }
+
+ @Test
+ public void isNullForExisting() throws Exception {
+ String k = "ka"+diff;
+ context.putProperty("ka"+diff, "va");
+ Condition condition = pesb.build("isNull(\""+k+"\")");
+ assertNotNull(condition);
+ assertFalse(condition.evaluate());
+ }
+
+
+ @Test
+ public void inexistentProperty() throws Exception {
+ String k = "ka"+diff;
+ Condition condition = pesb.build("p(\""+k+"\").contains(\"va\")");
+ assertNotNull(condition);
+ assertFalse(condition.evaluate());
+ }
+
+ @Test
+ public void isNullForInexistent() throws Exception {
+ String k = "ka"+diff;
+ Condition condition = pesb.build("isNull(\""+k+"\")");
+ assertNotNull(condition);
+ assertTrue(condition.evaluate());
+ }
+
+ @Test
+ public void nameOK() throws Exception {
+ Condition condition = pesb.build("name.contains(\""+context.getName()+"\")");
+ assertNotNull(condition);
+ assertTrue(condition.evaluate());
+ }
+
+ @Test
+ public void wrongName() throws Exception {
+ Condition condition = pesb.build("name.contains(\"x\")");
+ assertNotNull(condition);
+ assertFalse(condition.evaluate());
+ }
+
+}
-----------------------------------------------------------------------
Summary of changes:
.../logback/core/joran/conditional/Condition.java | 10 +--
.../logback/core/joran/conditional/ElseAction.java | 44 ++++++++++
.../logback/core/joran/conditional/IfAction.java | 90 ++++++++++++++++++++
.../joran/conditional/MapWrapperForScripts.java | 57 ++++++++++++
.../conditional/PropertyEvalScriptBuilder.java | 49 +++++++++++
.../logback/core/joran/conditional/ThenAction.java | 46 ++++++++++
.../src/test/input/joran/conditional/if0.xml | 13 +++
.../src/test/input/joran/conditional/if2.xml | 14 +++
.../core/joran/conditional/IfThenElseTest.java | 88 +++++++++++++++++++
.../conditional/PropertyEvalScriptBuilderTest.java | 74 ++++++++++++++++
10 files changed, 479 insertions(+), 6 deletions(-)
copy logback-classic/src/main/java/ch/qos/logback/classic/db/names/DBNameResolver.java => logback-core/src/main/java/ch/qos/logback/core/joran/conditional/Condition.java (71%)
create mode 100644 logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ElseAction.java
create mode 100644 logback-core/src/main/java/ch/qos/logback/core/joran/conditional/IfAction.java
create mode 100644 logback-core/src/main/java/ch/qos/logback/core/joran/conditional/MapWrapperForScripts.java
create mode 100644 logback-core/src/main/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilder.java
create mode 100644 logback-core/src/main/java/ch/qos/logback/core/joran/conditional/ThenAction.java
create mode 100644 logback-core/src/test/input/joran/conditional/if0.xml
create mode 100644 logback-core/src/test/input/joran/conditional/if2.xml
create mode 100644 logback-core/src/test/java/ch/qos/logback/core/joran/conditional/IfThenElseTest.java
create mode 100644 logback-core/src/test/java/ch/qos/logback/core/joran/conditional/PropertyEvalScriptBuilderTest.java
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