Add BrowserGenerator to git

diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/rebind/BrowserGenerator.java b/gwtquery-core/src/main/java/com/google/gwt/query/rebind/BrowserGenerator.java
new file mode 100644 (file)
index 0000000..075c4da
--- /dev/null
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/rebind/BrowserGenerator.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2011, The gwtquery team.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.query.rebind;
+
+import java.io.PrintWriter;
+
+import com.google.gwt.core.ext.BadPropertyValueException;
+import com.google.gwt.core.ext.Generator;
+import com.google.gwt.core.ext.GeneratorContext;
+import com.google.gwt.core.ext.PropertyOracle;
+import com.google.gwt.core.ext.TreeLogger;
+import com.google.gwt.core.ext.UnableToCompleteException;
+import com.google.gwt.core.ext.typeinfo.JClassType;
+import com.google.gwt.core.ext.typeinfo.TypeOracle;
+import com.google.gwt.user.rebind.ClassSourceFileComposerFactory;
+import com.google.gwt.user.rebind.SourceWriter;
+
+/**
+ * Creates an implementation for {@link Browser}
+ */
+public class BrowserGenerator extends Generator {
+  @Override
+  public String generate(TreeLogger logger, GeneratorContext context, String typeName) throws UnableToCompleteException {
+    TypeOracle oracle = context.getTypeOracle();
+    PropertyOracle propOracle = context.getPropertyOracle();
+    
+    String ua = null;
+    try {
+      ua = propOracle.getSelectionProperty(logger, "user.agent").getCurrentValue();
+    } catch (BadPropertyValueException e) {
+      logger.log(TreeLogger.ERROR, "Can not resolve user.agent property", e);
+      throw new UnableToCompleteException();
+    }
+    
+    JClassType clz = oracle.findType(typeName);
+    String pName = clz.getPackage().getName();
+    String cName = clz.getName() + "_" + ua;
+    
+    PrintWriter pWriter = context.tryCreate(logger, pName, cName);
+
+    ClassSourceFileComposerFactory cFact = new ClassSourceFileComposerFactory(pName, cName);
+    cFact.setSuperclass(pName + "." + clz.getName());
+    
+    SourceWriter writer = cFact.createSourceWriter(context, pWriter);
+    
+    writer.println("protected boolean isWebkit() {return " + "safari".equals(ua) + ";}");
+    writer.println("protected boolean isSafari() {return " + "safari".equals(ua) + ";}");
+    writer.println("protected boolean isOpera() {return " + "opera".equals(ua) + ";}");
+    writer.println("protected boolean isMozilla() {return " + ua.contains("gecko") + ";}");
+    writer.println("protected boolean isMsie() {return " + ua.contains("ie") + ";}");
+    writer.println("protected boolean isIe6() {return " + "ie6".equals(ua) + ";}");
+    writer.println("protected boolean isIe8() {return " + "ie8".equals(ua) + ";}");
+    writer.println("protected boolean isIe9() {return " + "ie9".equals(ua) + ";}");
+    writer.println("public String toString() {return \"Browser:\"" +
+               " + \" webkit=\" + webkit" +
+        " + \" mozilla=\" + mozilla" +
+        " + \" opera=\" + opera" +
+        " + \" msie=\" + msie" +
+        " + \" ie6=\" + ie6" +
+        " + \" ie8=\" + ie8" +
+        " + \" ie9=\" + ie9" +  
+        ";}");
+    writer.commit(logger);
+    
+    return pName + "." + cName;
+  }
+}