1 files changed, 150 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/extension/LibraryDisplayer.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/extension/LibraryDisplayer.java
new file mode 100644
index 00000000..b0ee4f81
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/extension/LibraryDisplayer.java
@@ -0,0 +1,150 @@
+/*
+ *  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.taskdefs.optional.extension;
+
+import java.io.File;
+import java.text.ParseException;
+import java.util.jar.Manifest;
+
+import org.apache.tools.ant.BuildException;
+
+/**
+ * Utility class to output the information in a jar relating
+ * to "Optional Packages" (formely known as "Extensions")
+ * and Package Specifications.
+ *
+ */
+class LibraryDisplayer {
+    /**
+     * Display the extensions and specifications contained
+     * within specified file.
+     *
+     * @param file the file
+     * @throws BuildException if fail to read file
+     */
+    void displayLibrary(final File file)
+        throws BuildException {
+        final Manifest manifest = ExtensionUtil.getManifest(file);
+        displayLibrary(file, manifest);
+    }
+
+    /**
+     * Display the extensions and specifications contained
+     * within specified file.
+     *
+     * @param file the file to use while reporting
+     * @param manifest the manifest of file
+     * @throws BuildException if fail to read file
+     */
+    void displayLibrary(final File file,
+                         final Manifest manifest)
+        throws BuildException {
+        final Extension[] available = Extension.getAvailable(manifest);
+        final Extension[] required = Extension.getRequired(manifest);
+        final Extension[] options = Extension.getOptions(manifest);
+        final Specification[] specifications = getSpecifications(manifest);
+
+        if (0 == available.length && 0 == required.length && 0 == options.length
+            && 0 == specifications.length) {
+            return;
+        }
+
+        final String message = "File: " + file;
+        final int size = message.length();
+        printLine(size);
+        System.out.println(message);
+        printLine(size);
+        if (0 != available.length) {
+            System.out.println("Extensions Supported By Library:");
+            for (int i = 0; i < available.length; i++) {
+                final Extension extension = available[ i ];
+                System.out.println(extension.toString());
+            }
+        }
+
+        if (0 != required.length) {
+            System.out.println("Extensions Required By Library:");
+            for (int i = 0; i < required.length; i++) {
+                final Extension extension = required[ i ];
+                System.out.println(extension.toString());
+            }
+        }
+
+        if (0 != options.length) {
+            System.out.println("Extensions that will be used by Library if present:");
+            for (int i = 0; i < options.length; i++) {
+                final Extension extension = options[ i ];
+                System.out.println(extension.toString());
+            }
+        }
+
+        if (0 != specifications.length) {
+            System.out.println("Specifications Supported By Library:");
+            for (int i = 0; i < specifications.length; i++) {
+                final Specification specification = specifications[ i ];
+                displaySpecification(specification);
+            }
+        }
+    }
+
+    /**
+     * Print out a line of '-'s equal to specified size.
+     *
+     * @param size the number of dashes to printout
+     */
+    private void printLine(final int size) {
+        for (int i = 0; i < size; i++) {
+            System.out.print("-");
+        }
+        System.out.println();
+    }
+
+    /**
+     * Get specifications from manifest.
+     *
+     * @param manifest the manifest
+     * @return the specifications or null if none
+     * @throws BuildException if malformed specification sections
+     */
+    private Specification[] getSpecifications(final Manifest manifest)
+        throws BuildException {
+        try {
+            return Specification.getSpecifications(manifest);
+        } catch (final ParseException pe) {
+            throw new BuildException(pe.getMessage(), pe);
+        }
+    }
+
+    /**
+     * Print out specification details.
+     *
+     * @param specification the specification
+     */
+    private void displaySpecification(final Specification specification) {
+        final String[] sections = specification.getSections();
+        if (null != sections) {
+            final StringBuffer sb = new StringBuffer("Sections: ");
+            for (int i = 0; i < sections.length; i++) {
+                sb.append(" ");
+                sb.append(sections[ i ]);
+            }
+            System.out.println(sb);
+        }
+        System.out.println(specification.toString());
+    }
+}