1 files changed, 130 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/selectors/InstanceOf.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/selectors/InstanceOf.java
new file mode 100644
index 00000000..39b31088
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/selectors/InstanceOf.java
@@ -0,0 +1,130 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You 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 org.apache.tools.ant.types.resources.selectors;
+
+import org.apache.tools.ant.AntTypeDefinition;
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.ComponentHelper;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.ProjectHelper;
+import org.apache.tools.ant.types.Resource;
+
+/**
+ * InstanceOf ResourceSelector.
+ * @since Ant 1.7
+ */
+public class InstanceOf implements ResourceSelector {
+    private static final String ONE_ONLY = "Exactly one of class|type must be set.";
+
+    private Project project;
+    private Class<?> clazz;
+    private String type;
+    private String uri;
+
+    /**
+     * Set the Project instance for this InstanceOf selector.
+     * @param p the Project instance used for type comparisons.
+     */
+    public void setProject(Project p) {
+        project = p;
+    }
+
+    /**
+     * Set the class to compare against.
+     * @param c the class.
+     */
+    public void setClass(Class<?> c) {
+        if (clazz != null) {
+            throw new BuildException("The class attribute has already been set.");
+        }
+        clazz = c;
+    }
+
+    /**
+     * Set the Ant type to compare against.
+     * @param s the type name.
+     */
+    public void setType(String s) {
+        type = s;
+    }
+
+    /**
+     * Set the URI in which the Ant type, if specified, should be defined.
+     * @param u the URI.
+     */
+    public void setURI(String u) {
+        uri = u;
+    }
+
+    /**
+     * Get the comparison class.
+     * @return the Class object.
+     */
+    public Class<?> getCheckClass() {
+        return clazz;
+    }
+
+    /**
+     * Get the comparison type.
+     * @return the String typename.
+     */
+    public String getType() {
+        return type;
+    }
+
+    /**
+     * Get the type's URI.
+     * @return the String URI.
+     */
+    public String getURI() {
+        return uri;
+    }
+
+    /**
+     * Return true if this Resource is selected.
+     * @param r the Resource to check.
+     * @return whether the Resource was selected.
+     * @throws BuildException if an error occurs.
+     */
+    public boolean isSelected(Resource r) {
+        if ((clazz == null) == (type == null)) {
+            throw new BuildException(ONE_ONLY);
+        }
+        Class<?> c = clazz;
+        if (type != null) {
+            if (project == null) {
+                throw new BuildException(
+                    "No project set for InstanceOf ResourceSelector; "
+                    + "the type attribute is invalid.");
+            }
+            AntTypeDefinition d = ComponentHelper.getComponentHelper(
+                project).getDefinition(ProjectHelper.genComponentName(uri, type));
+            if (d == null) {
+                throw new BuildException("type " + type + " not found.");
+            }
+            try {
+                c = d.innerGetTypeClass();
+            } catch (ClassNotFoundException e) {
+                throw new BuildException(e);
+            }
+        }
+        return c.isAssignableFrom(r.getClass());
+    }
+
+}