1 files changed, 101 insertions, 0 deletions

diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/HasFreeSpace.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/HasFreeSpace.java
new file mode 100644
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--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/HasFreeSpace.java
@@ -0,0 +1,101 @@
+/*
+ *  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.condition;
+
+import java.io.File;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.util.JavaEnvUtils;
+import org.apache.tools.ant.util.ReflectWrapper;
+import org.apache.tools.ant.util.StringUtils;
+
+/**
+ * <hasfreespace>
+ * <p>Condition returns true if selected partition
+ * has the requested space, false otherwise.</p>
+ * @since Ant 1.7
+ */
+public class HasFreeSpace implements Condition {
+
+    private String partition;
+    private String needed;
+
+    /**
+     * Evaluate the condition.
+     * @return true if there enough free space.
+     * @throws BuildException if there is a problem.
+     */
+    public boolean eval() throws BuildException {
+        validate();
+        try {
+            if (JavaEnvUtils.isAtLeastJavaVersion("1.6")) {
+                //reflection to avoid bootstrap/build problems
+                File fs = new File(partition);
+                ReflectWrapper w = new ReflectWrapper(fs);
+                long free = ((Long) w.invoke("getFreeSpace")).longValue();
+                return free >= StringUtils.parseHumanSizes(needed);
+            } else {
+                throw new BuildException("HasFreeSpace condition not supported on Java5 or less.");
+            }
+        } catch (Exception e) {
+            throw new BuildException(e);
+        }
+    }
+
+    private void validate() throws BuildException {
+        if (null == partition) {
+            throw new BuildException("Please set the partition attribute.");
+        }
+        if (null == needed) {
+            throw new BuildException("Please set the needed attribute.");
+        }
+    }
+
+    /**
+     * The partition/device to check
+     * @return the partition.
+     */
+    public String getPartition() {
+        return partition;
+    }
+
+    /**
+     * Set the partition name.
+     * @param partition the name to use.
+     */
+    public void setPartition(String partition) {
+        this.partition = partition;
+    }
+
+    /**
+     * The amount of free space required
+     * @return the amount required
+     */
+    public String getNeeded() {
+        return needed;
+    }
+
+    /**
+     * Set the amount of space required.
+     * @param needed the amount required.
+     */
+    public void setNeeded(String needed) {
+        this.needed = needed;
+    }
+}