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/condition/ParserSupports.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/ParserSupports.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/ParserSupports.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.condition;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.ProjectComponent;
+import org.apache.tools.ant.util.JAXPUtils;
+import org.xml.sax.SAXNotRecognizedException;
+import org.xml.sax.SAXNotSupportedException;
+import org.xml.sax.XMLReader;
+
+/**
+ * Test for the XML parser supporting a particular feature
+ * @since Ant 1.7
+ */
+public class ParserSupports extends ProjectComponent implements Condition {
+
+    private String feature;
+    private String property;
+    private String value;
+    // Error messages
+    /** error - combined attributes not allowed */
+    public static final String ERROR_BOTH_ATTRIBUTES =
+            "Property and feature attributes are exclusive";
+    /** feature */
+    public static final String FEATURE = "feature";
+    /** property */
+    public static final String PROPERTY = "property";
+
+    /** error - not recognized */
+    public static final String NOT_RECOGNIZED =
+            " not recognized: ";
+    /** error - not supported */
+    public static final String NOT_SUPPORTED =
+            " not supported: ";
+    /** error - missing attribute */
+    public static final String ERROR_NO_ATTRIBUTES =
+        "Neither feature or property are set";
+    /** error - no value */
+    public static final String ERROR_NO_VALUE =
+        "A value is needed when testing for property support";
+
+    /**
+     * Feature to probe for.
+     * @param feature the feature to probe for.
+     */
+    public void setFeature(String feature) {
+        this.feature = feature;
+    }
+
+    /**
+     * Property to probe for
+     * @param property the property to probe for.
+     */
+    public void setProperty(String property) {
+        this.property = property;
+    }
+
+    /**
+     * Optional value to set.
+     * Converted to a boolean value when setting a property
+     * @param value the value to set.
+     */
+    public void setValue(String value) {
+        this.value = value;
+    }
+
+    /** {@inheritDoc}. */
+    public boolean eval() throws BuildException {
+        if (feature != null && property != null) {
+            throw new BuildException(ERROR_BOTH_ATTRIBUTES);
+        }
+        if (feature == null && property == null) {
+            throw new BuildException(ERROR_NO_ATTRIBUTES);
+        }
+        //pick a value that is good for everything
+        if (feature != null) {
+            return evalFeature();
+        }
+        if (value == null) {
+            throw new BuildException(ERROR_NO_VALUE);
+        }
+        return evalProperty();
+    }
+
+    /**
+     * Get our reader
+     * @return a reader
+     */
+    private XMLReader getReader() {
+        JAXPUtils.getParser();
+        return JAXPUtils.getXMLReader();
+    }
+
+    /**
+     * Set a feature
+     * @return true if the feature could be set
+     */
+    public boolean evalFeature() {
+        XMLReader reader = getReader();
+        if (value == null) {
+            value = "true";
+        }
+        boolean v = Project.toBoolean(value);
+        try {
+            reader.setFeature(feature, v);
+        } catch (SAXNotRecognizedException e) {
+            log(FEATURE + NOT_RECOGNIZED + feature, Project.MSG_VERBOSE);
+            return false;
+        } catch (SAXNotSupportedException e) {
+            log(FEATURE + NOT_SUPPORTED + feature, Project.MSG_VERBOSE);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Set a property
+     * @return true if the feature could be set
+     */
+    public boolean evalProperty() {
+        XMLReader reader = getReader();
+        try {
+            reader.setProperty(property, value);
+        } catch (SAXNotRecognizedException e) {
+            log(PROPERTY + NOT_RECOGNIZED + property, Project.MSG_VERBOSE);
+            return false;
+        } catch (SAXNotSupportedException e) {
+            log(PROPERTY + NOT_SUPPORTED + property, Project.MSG_VERBOSE);
+            return false;
+        }
+        return true;
+    }
+}