replaced jaxb with sax parser

Former-commit-id: e414ec7919c8709a9d099f7dbcbf349161206c22

dependency-check-core/src/main/java/org/owasp/dependencycheck/xml/pom/PomParser.java

@@ -0,0 +1,113 @@
+/*
+ * This file is part of dependency-check-core.
+ *
+ * Licensed 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.
+ *
+ * Copyright (c) 2015 Jeremy Long. All Rights Reserved.
+ */
+package org.owasp.dependencycheck.xml.pom;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.XMLReader;
+
+/**
+ * A parser for pom.xml files.
+ *
+ * @author Jeremy Long
+ */
+public class PomParser {
+
+    /**
+     * The logger.
+     */
+    private static final Logger LOGGER = Logger.getLogger(PomParser.class.getName());
+
+    /**
+     * Parses the given xml file and returns a Model object containing only the fields dependency-check requires.
+     *
+     * @param file a pom.xml
+     * @return a Model object containing only the fields dependency-check requires
+     * @throws PomParseException thrown if the xml file cannot be parsed
+     */
+    public Model parse(File file) throws PomParseException {
+        FileInputStream fis = null;
+        try {
+            fis = new FileInputStream(file);
+            return parse(fis);
+        } catch (IOException ex) {
+            LOGGER.log(Level.FINE, null, ex);
+            throw new PomParseException(ex);
+        } finally {
+            if (fis != null) {
+                try {
+                    fis.close();
+                } catch (IOException ex) {
+                    LOGGER.log(Level.FINE, "Unable to close stream", ex);
+                }
+            }
+        }
+    }
+
+    /**
+     * Parses the given xml file and returns a Model object containing only the fields dependency-check requires.
+     *
+     * @param inputStream an InputStream containing suppression rues
+     * @return a list of suppression rules
+     * @throws SuppressionParseException if the xml cannot be parsed
+     */
+    public Model parse(InputStream inputStream) throws PomParseException {
+        try {
+            final PomHandler handler = new PomHandler();
+            final SAXParserFactory factory = SAXParserFactory.newInstance();
+            factory.setNamespaceAware(true);
+            factory.setValidating(true);
+            final SAXParser saxParser = factory.newSAXParser();
+            final XMLReader xmlReader = saxParser.getXMLReader();
+            xmlReader.setContentHandler(handler);
+
+            final Reader reader = new InputStreamReader(inputStream, "UTF-8");
+            final InputSource in = new InputSource(reader);
+            //in.setEncoding("UTF-8");
+
+            xmlReader.parse(in);
+
+            return handler.getModel();
+        } catch (ParserConfigurationException ex) {
+            LOGGER.log(Level.FINE, null, ex);
+            throw new PomParseException(ex);
+        } catch (SAXException ex) {
+            LOGGER.log(Level.FINE, null, ex);
+            throw new PomParseException(ex);
+        } catch (FileNotFoundException ex) {
+            LOGGER.log(Level.FINE, null, ex);
+            throw new PomParseException(ex);
+        } catch (IOException ex) {
+            LOGGER.log(Level.FINE, null, ex);
+            throw new PomParseException(ex);
+        }
+    }
+}