1 files changed, 171 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/AntVersion.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/AntVersion.java
new file mode 100644
index 00000000..aadf5a7e
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/AntVersion.java
@@ -0,0 +1,171 @@
+/*
+ *  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 org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.util.DeweyDecimal;
+
+/**
+ * An Ant version condition.
+ * @since Ant 1.7
+ */
+public class AntVersion extends Task implements Condition {
+
+    private String atLeast = null;
+    private String exactly = null;
+    private String propertyname = null;
+
+    /**
+     * Run as a task.
+     * @throws BuildException if an error occurs.
+     */
+    public void execute() throws BuildException {
+        if (propertyname == null) {
+            throw new BuildException("'property' must be set.");
+        }
+        if (atLeast != null || exactly != null) {
+            // If condition values are set, evaluate the condition
+            if (eval()) {
+                getProject().setNewProperty(propertyname, getVersion().toString());
+            }
+        } else {
+            // Raw task
+            getProject().setNewProperty(propertyname, getVersion().toString());
+        }
+    }
+
+    /**
+     * Evaluate the condition.
+     * @return true if the condition is true.
+     * @throws BuildException if an error occurs.
+     */
+    public boolean eval() throws BuildException {
+        validate();
+        DeweyDecimal actual = getVersion();
+        if (null != atLeast) {
+            return actual.isGreaterThanOrEqual(new DeweyDecimal(atLeast));
+        }
+        if (null != exactly) {
+            return actual.isEqual(new DeweyDecimal(exactly));
+        }
+        //default
+        return false;
+    }
+
+    private void validate() throws BuildException {
+        if (atLeast != null && exactly != null) {
+            throw new BuildException("Only one of atleast or exactly may be set.");
+        }
+        if (null == atLeast && null == exactly) {
+            throw new BuildException("One of atleast or exactly must be set.");
+        }
+        if (atLeast != null) {
+            try {
+                new DeweyDecimal(atLeast);
+            } catch (NumberFormatException e) {
+                throw new BuildException(
+                    "The 'atleast' attribute is not a Dewey Decimal eg 1.1.0 : "
+                    + atLeast);
+            }
+        } else {
+            try {
+                new DeweyDecimal(exactly);
+            } catch (NumberFormatException e) {
+                throw new BuildException(
+                    "The 'exactly' attribute is not a Dewey Decimal eg 1.1.0 : "
+                    + exactly);
+            }
+        }
+    }
+
+    private DeweyDecimal getVersion() {
+        Project p = new Project();
+        p.init();
+        char[] versionString = p.getProperty("ant.version").toCharArray();
+        StringBuffer sb = new StringBuffer();
+        boolean foundFirstDigit = false;
+        for (int i = 0; i < versionString.length; i++) {
+            if (Character.isDigit(versionString[i])) {
+                sb.append(versionString[i]);
+                foundFirstDigit = true;
+            }
+            if (versionString[i] == '.' && foundFirstDigit) {
+                sb.append(versionString[i]);
+            }
+            if (Character.isLetter(versionString[i]) && foundFirstDigit) {
+                break;
+            }
+        }
+        return new DeweyDecimal(sb.toString());
+    }
+
+    /**
+     * Get the atleast attribute.
+     * @return the atleast attribute.
+     */
+    public String getAtLeast() {
+        return atLeast;
+    }
+
+    /**
+     * Set the atleast attribute.
+     * This is of the form major.minor.point.
+     * For example 1.7.0.
+     * @param atLeast the version to check against.
+     */
+    public void setAtLeast(String atLeast) {
+        this.atLeast = atLeast;
+    }
+
+    /**
+     * Get the exactly attribute.
+     * @return the exactly attribute.
+     */
+    public String getExactly() {
+        return exactly;
+    }
+
+    /**
+     * Set the exactly attribute.
+     * This is of the form major.minor.point.
+     * For example 1.7.0.
+     * @param exactly the version to check against.
+     */
+    public void setExactly(String exactly) {
+        this.exactly = exactly;
+    }
+
+    /**
+     * Get the name of the property to hold the ant version.
+     * @return the name of the property.
+     */
+    public String getProperty() {
+        return propertyname;
+    }
+
+    /**
+     * Set the name of the property to hold the ant version.
+     * @param propertyname the name of the property.
+     */
+    public void setProperty(String propertyname) {
+        this.propertyname = propertyname;
+    }
+
+}