1 files changed, 127 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/types/selectors/ExtendSelector.php b/buildscripts/phing/classes/phing/types/selectors/ExtendSelector.php
new file mode 100644
index 00000000..cc939254
--- /dev/null
+++ b/buildscripts/phing/classes/phing/types/selectors/ExtendSelector.php
@@ -0,0 +1,127 @@
+<?php
+
+/*
+ * $Id: ExtendSelector.php,v 1.10 2005/05/26 13:10:53 mrook Exp $
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information please see
+ * <http://phing.info>.
+ */
+
+include_once 'phing/util/StringHelper.php';
+
+/**
+ * Selector that selects files by forwarding the request on to other classes.
+ *
+ * TODO:
+ *        Consider adding Path (org.apache.tools.ant.types.Path) support to this class
+ *         and to the Mappers class.  See Ant versions for implimentation details.
+ *
+ * @author <a href="mailto:bruce@callenish.com">Bruce Atherton</a>
+ * @package phing.types.selectors
+ */
+class ExtendSelector extends BaseSelector {
+
+    private $classname;
+    private $dynselector;
+    private $parameters = array();
+
+    /**
+     * Sets the classname of the custom selector.
+     *
+     * @param classname is the class which implements this selector
+     */
+    public function setClassname($classname) {
+        $this->classname = $classname;
+    }
+
+    /**
+     * Instantiates the identified custom selector class.
+     */
+    public function selectorCreate() {
+        if ($this->classname !== null && $this->classname !== "") {      
+            try {
+                // assume it's fully qualified, import it
+                $cls = Phing::import($this->classname);
+       
+                // make sure class exists
+                if (class_exists($cls)) {
+                    $this->dynselector = new $cls();
+                } else {
+                    $this->setError("Selector " . $this->classname . " not initialized, no such class");
+                }            
+            } catch (Exception $e) {
+                $this->setError("Selector " . $this->classname . " not initialized, could not create class: " . $e->getMessage());
+            }            
+        } else {
+            $this->setError("There is no classname specified");
+        }
+    }
+
+    /**
+     * Create new parameters to pass to custom selector.
+     *
+     * @param p The new Parameter object
+     */
+    public function addParam(Parameter $p) {
+        $this->parameters[] = $p;
+    }
+
+    /**
+     * These are errors specific to ExtendSelector only. If there are
+     * errors in the custom selector, it should throw a BuildException
+     * when isSelected() is called.
+     */
+    public function verifySettings() {
+        // Creation is done here rather than in isSelected() because some
+        // containers may do a validation pass before running isSelected(),
+        // but we need to check for the existence of the created class.
+        if ($this->dynselector === null) {
+            $this->selectorCreate();
+        }
+        
+        if (empty($this->classname)) {
+            $this->setError("The classname attribute is required");
+        } elseif ($this->dynselector === null) {
+            $this->setError("Internal Error: The custom selector was not created");
+        } elseif ( !($this->dynselector instanceof ExtendFileSelector) && (count($this->parameters) > 0)) {
+            $this->setError("Cannot set parameters on custom selector that does not "
+                   . "implement ExtendFileSelector.");
+        }
+    }
+
+
+    /**
+     * Allows the custom selector to choose whether to select a file. This
+     * is also where the Parameters are passed to the custom selector,
+     * since we know we must have them all by now. And since we must know
+     * both classpath and classname, creating the class is deferred to here
+     * as well.
+     *
+     * @throws BuildException
+     */
+    public function isSelected(PhingFile $basedir, $filename, PhingFile $file) {
+        
+        $this->validate();
+        
+        if (count($this->parameters) > 0 && $this->dynselector instanceof ExtendFileSelector) {            
+            // We know that dynselector must be non-null if no error message
+            $this->dynselector->setParameters($this->parameters);
+        }
+        return $this->dynselector->isSelected($basedir, $filename, $file);
+    }
+
+}
+