1 files changed, 134 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Reference.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Reference.java
new file mode 100644
index 00000000..e5e9b25c
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Reference.java
@@ -0,0 +1,134 @@
+/*
+ *  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;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+
+/**
+ * Class to hold a reference to another object in the project.
+ *
+ */
+public class Reference {
+
+    private String refid;
+    private Project project;
+
+    /**
+     * Create a reference.
+     * @deprecated since 1.7.
+     *             Please use {@link Reference#Reference(Project,String)}
+     *             instead.
+     */
+    public Reference() {
+    }
+
+    /**
+     * Create a reference to a named ID.
+     * @param id the name of this reference
+     * @deprecated since 1.7.
+     *             Please use {@link Reference#Reference(Project,String)}
+     *             instead.
+     */
+    public Reference(String id) {
+        setRefId(id);
+    }
+
+    /**
+     * Create a reference to a named ID in a particular project.
+     * @param p the project this reference is associated with
+     * @param id the name of this reference
+     * @since Ant 1.6.3
+     */
+    public Reference(Project p, String id) {
+        setRefId(id);
+        setProject(p);
+    }
+
+    /**
+     * Set the reference id. Should not normally be necessary;
+     * use {@link Reference#Reference(Project, String)}.
+     * @param id the reference id to use
+     */
+    public void setRefId(String id) {
+        refid = id;
+    }
+
+    /**
+     * Get the reference id of this reference.
+     * @return the reference id
+     */
+    public String getRefId() {
+        return refid;
+    }
+
+    /**
+     * Set the associated project. Should not normally be necessary;
+     * use {@link Reference#Reference(Project,String)}.
+     * @param p the project to use
+     * @since Ant 1.6.3
+     */
+    public void setProject(Project p) {
+        this.project = p;
+    }
+
+    /**
+     * Get the associated project, if any; may be null.
+     * @return the associated project
+     * @since Ant 1.6.3
+     */
+    public Project getProject() {
+        return project;
+    }
+
+    /**
+     * Resolve the reference, using the associated project if
+     * it set, otherwise use the passed in project.
+     * @param fallback the fallback project to use if the project attribute of
+     *                 reference is not set.
+     * @return the dereferenced object.
+     * @throws BuildException if the reference cannot be dereferenced.
+     */
+    public Object getReferencedObject(Project fallback) throws BuildException {
+        if (refid == null) {
+            throw new BuildException("No reference specified");
+        }
+
+        Object o = project == null ? fallback.getReference(refid) : project.getReference(refid);
+        if (o == null) {
+            throw new BuildException("Reference " + refid + " not found.");
+        }
+        return o;
+    }
+
+    /**
+     * Resolve the reference, looking in the associated project.
+     * @see Project#getReference
+     * @return the dereferenced object.
+     * @throws BuildException if the project is null or the reference cannot be dereferenced
+     * @since Ant 1.6.3
+     */
+    public Object getReferencedObject() throws BuildException {
+        if (project == null) {
+            throw new BuildException("No project set on reference to " + refid);
+        }
+        return getReferencedObject(project);
+    }
+
+}