1 files changed, 137 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/Tokens.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/Tokens.java
new file mode 100644
index 00000000..0a518c3d
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/Tokens.java
@@ -0,0 +1,137 @@
+/*
+ *  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;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Stack;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.types.DataType;
+import org.apache.tools.ant.types.Resource;
+import org.apache.tools.ant.types.ResourceCollection;
+import org.apache.tools.ant.util.ConcatResourceInputStream;
+import org.apache.tools.ant.util.FileUtils;
+import org.apache.tools.ant.util.LineTokenizer;
+import org.apache.tools.ant.util.Tokenizer;
+
+/**
+ * ResourceCollection consisting of StringResources gathered from tokenizing
+ * another ResourceCollection with a Tokenizer implementation.
+ * @since Ant 1.7
+ */
+public class Tokens extends BaseResourceCollectionWrapper {
+
+    private Tokenizer tokenizer;
+    private String encoding;
+
+    /**
+     * Sort the contained elements.
+     * @return a Collection of Resources.
+     */
+    protected synchronized Collection<Resource> getCollection() {
+        ResourceCollection rc = getResourceCollection();
+        if (rc.size() == 0) {
+            return Collections.emptySet();
+        }
+        if (tokenizer == null) {
+            tokenizer = new LineTokenizer();
+        }
+        ConcatResourceInputStream cat = new ConcatResourceInputStream(rc);
+        cat.setManagingComponent(this);
+
+        try {
+            InputStreamReader rdr = null;
+            if (encoding == null) {
+                rdr = new InputStreamReader(cat);
+            } else {
+                try {
+                    rdr = new InputStreamReader(cat, encoding);
+                } catch (UnsupportedEncodingException e) {
+                    throw new BuildException(e);
+                }
+            }
+            ArrayList<Resource> result = new ArrayList<Resource>();
+            for (String s = tokenizer.getToken(rdr); s != null; s = tokenizer.getToken(rdr)) {
+                StringResource resource = new StringResource(s);
+                resource.setProject(getProject());
+                result.add(resource);
+            }
+            return result;
+        } catch (IOException e) {
+            throw new BuildException("Error reading tokens", e);
+        } finally {
+            FileUtils.close(cat);
+        }
+    }
+
+    /**
+     * Set the encoding used to create the tokens.
+     * @param encoding the encoding to use.
+     */
+    public synchronized void setEncoding(String encoding) {
+        this.encoding = encoding;
+    }
+
+    /**
+     * Add the nested Tokenizer to this Tokens ResourceCollection.
+     * A LineTokenizer will be used by default.
+     * @param tokenizer the tokenizer to add.
+     */
+    public synchronized void add(Tokenizer tokenizer) {
+        if (isReference()) {
+            throw noChildrenAllowed();
+        }
+        if (this.tokenizer != null) {
+            throw new BuildException("Only one nested tokenizer allowed.");
+        }
+        this.tokenizer = tokenizer;
+        setChecked(false);
+    }
+
+    /**
+     * Overrides the BaseResourceCollectionContainer version
+     * to check the nested Tokenizer.
+     * @param stk the stack of data types to use (recursively).
+     * @param p   the project to use to dereference the references.
+     * @throws BuildException on error.
+     */
+    protected synchronized void dieOnCircularReference(Stack<Object> stk, Project p)
+        throws BuildException {
+        if (isChecked()) {
+            return;
+        }
+
+        // check nested collection
+        super.dieOnCircularReference(stk, p);
+
+        if (!isReference()) {
+            if (tokenizer instanceof DataType) {
+                pushAndInvokeCircularReferenceCheck((DataType) tokenizer, stk,
+                                                    p);
+            }
+            setChecked(true);
+        }
+    }
+
+}