Updated rome-opml to use generics

src/main/java/com/sun/syndication/feed/opml/Opml.java

@@ -39,7 +39,7 @@ public class Opml extends WireFeed {
     private Integer _windowLeft;
     private Integer _windowRight;
     private Integer _windowTop;
-    private List _outlines;
+    private List<Outline> _outlines;
     private String _docs;
     private String _ownerEmail;
     private String _ownerId;
@@ -135,7 +135,7 @@ public class Opml extends WireFeed {
      *
      * @param outlines Root level Outline object that should appear in the &lt;body&gt;
      */
-    public void setOutlines(final List outlines) {
+    public void setOutlines(final List<Outline> outlines) {
         _outlines = outlines;
     }
 
@@ -144,9 +144,9 @@ public class Opml extends WireFeed {
      *
      * @return Root level Outline object that should appear in the &lt;body&gt;
      */
-    public List getOutlines() {
+    public List<Outline> getOutlines() {
         if (_outlines == null) {
-            _outlines = new ArrayList();
+            _outlines = new ArrayList<Outline>();
         }
 
         return _outlines;

src/main/java/com/sun/syndication/feed/opml/Outline.java

@@ -26,6 +26,7 @@ import java.util.List;
 
 import com.sun.syndication.feed.impl.EqualsBean;
 import com.sun.syndication.feed.impl.ToStringBean;
+import com.sun.syndication.feed.module.Module;
 
 /**
  * This class represents an OPML outline element.
@@ -37,10 +38,10 @@ public class Outline implements Cloneable, Serializable {
     private static final long serialVersionUID = 1L;
 
     private Date _created;
-    private List _attributes;
+    private List<Attribute> _attributes;
-    private List _categories;
+    private List<String> _categories;
-    private List _children;
+    private List<Outline> _children;
-    private List _modules;
+    private List<Module> _modules;
     private String _text;
     private String _title;
     private String _type;
@@ -75,7 +76,7 @@ public class Outline implements Cloneable, Serializable {
         super();
         setType("rss");
         setTitle(title);
-        setAttributes(new ArrayList());
+        setAttributes(new ArrayList<Attribute>());
 
         if (xmlUrl != null) {
             getAttributes().add(new Attribute("xmlUrl", xmlUrl.toString()));
@@ -91,7 +92,7 @@ public class Outline implements Cloneable, Serializable {
      *
      * @param attributes List of attributes on this outline.
      */
-    public void setAttributes(final List attributes) {
+    public void setAttributes(final List<Attribute> attributes) {
         _attributes = attributes;
     }
 
@@ -100,9 +101,9 @@ public class Outline implements Cloneable, Serializable {
      *
      * @return List of attributes on this outline.
      */
-    public List getAttributes() {
+    public List<Attribute> getAttributes() {
         if (_attributes == null) {
-            _attributes = new ArrayList();
+            _attributes = new ArrayList<Attribute>();
         }
 
         return _attributes;
@@ -133,7 +134,7 @@ public class Outline implements Cloneable, Serializable {
      *
      * @param categories (OPML 2) A List of Strings indicating values in the category attribute.
      */
-    public void setCategories(final List categories) {
+    public void setCategories(final List<String> categories) {
         _categories = categories;
     }
 
@@ -142,9 +143,9 @@ public class Outline implements Cloneable, Serializable {
      *
      * @return (OPML 2) A List of Strings indicating values in the category attribute.
      */
-    public List getCategories() {
+    public List<String> getCategories() {
         if (_categories == null) {
-            _categories = new ArrayList();
+            _categories = new ArrayList<String>();
         }
 
         return _categories;
@@ -155,7 +156,7 @@ public class Outline implements Cloneable, Serializable {
      *
      * @param children A list of sub-outlines for this entry.
      */
-    public void setChildren(final List children) {
+    public void setChildren(final List<Outline> children) {
         _children = children;
     }
 
@@ -164,9 +165,9 @@ public class Outline implements Cloneable, Serializable {
      *
      * @return A list of sub-outlines for this entry.
      */
-    public List getChildren() {
+    public List<Outline> getChildren() {
         if (_children == null) {
-            _children = new ArrayList();
+            _children = new ArrayList<Outline>();
         }
 
         return _children;
@@ -228,13 +229,13 @@ public class Outline implements Cloneable, Serializable {
         return getAttributeValue("htmlUrl");
     }
 
-    public void setModules(final List modules) {
+    public void setModules(final List<Module> modules) {
         _modules = modules;
     }
 
-    public List getModules() {
+    public List<Module> getModules() {
         if (_modules == null) {
-            _modules = new ArrayList();
+            _modules = new ArrayList<Module>();
         }
 
         return _modules;
@@ -309,45 +310,40 @@ public class Outline implements Cloneable, Serializable {
      * @param name name of the attribute.
      */
     public String getAttributeValue(final String name) {
-        final List attributes = Collections.synchronizedList(getAttributes());
+        final List<Attribute> attributes = Collections.synchronizedList(getAttributes());
-
         for (int i = 0; i < attributes.size(); i++) {
-            final Attribute a = (Attribute) attributes.get(i);
+            final Attribute a = attributes.get(i);
 
             if (a.getName() != null && a.getName().equals(name)) {
                 return a.getValue();
             }
         }
-
         return null;
     }
 
     @Override
     public Object clone() {
+
         final Outline o = new Outline();
         o.setBreakpoint(isBreakpoint());
-        o.setCategories(new ArrayList(getCategories()));
+        o.setCategories(new ArrayList<String>(getCategories()));
         o.setComment(isComment());
         o.setCreated(_created != null ? (Date) _created.clone() : null);
-        o.setModules(new ArrayList(getModules()));
+        o.setModules(new ArrayList<Module>(getModules()));
         o.setText(getText());
         o.setTitle(getTitle());
         o.setType(getType());
 
-        final ArrayList children = new ArrayList();
+        final ArrayList<Outline> children = new ArrayList<Outline>();
-
         for (int i = 0; i < getChildren().size(); i++) {
-            children.add(((Outline) _children.get(i)).clone());
+            children.add((Outline) _children.get(i).clone());
         }
-
         o.setChildren(children);
 
-        final ArrayList attributes = new ArrayList();
+        final ArrayList<Attribute> attributes = new ArrayList<Attribute>();
-
         for (int i = 0; i < getAttributes().size(); i++) {
-            attributes.add(((Attribute) _attributes.get(i)).clone());
+            attributes.add((Attribute) _attributes.get(i).clone());
         }
-
         o.setAttributes(attributes);
 
         return o;

src/main/java/com/sun/syndication/feed/synd/impl/ConverterForOPML10.java

@@ -57,7 +57,7 @@ public class ConverterForOPML10 implements Converter {
 
     protected void addOwner(final Opml opml, final SyndFeed syndFeed) {
         if (opml.getOwnerEmail() != null || opml.getOwnerName() != null) {
-            final List authors = new ArrayList();
+            final List<SyndPerson> authors = new ArrayList<SyndPerson>();
             final SyndPerson person = new SyndPersonImpl();
             person.setEmail(opml.getOwnerEmail());
             person.setName(opml.getOwnerName());
@@ -85,19 +85,18 @@ public class ConverterForOPML10 implements Converter {
         syndFeed.setModules(opml.getModules());
         syndFeed.setFeedType(getType());
 
-        final ArrayList entries = new ArrayList();
         createEntries(new TreeContext(), syndFeed.getEntries(), opml.getOutlines());
     }
 
-    protected void createEntries(final TreeContext context, final List allEntries, final List outlines) {
+    protected void createEntries(final TreeContext context, final List<SyndEntry> allEntries, final List<Outline> outlines) {
-        final List so = Collections.synchronizedList(outlines);
+        final List<Outline> so = Collections.synchronizedList(outlines);
 
         for (int i = 0; i < so.size(); i++) {
-            createEntry(context, allEntries, (Outline) so.get(i));
+            createEntry(context, allEntries, so.get(i));
         }
     }
 
-    protected SyndEntry createEntry(final TreeContext context, final List allEntries, final Outline outline) {
+    protected SyndEntry createEntry(final TreeContext context, final List<SyndEntry> allEntries, final Outline outline) {
         final SyndEntry entry = new SyndEntryImpl();
 
         if (outline.getType() != null && outline.getType().equals("rss")) {
@@ -161,17 +160,17 @@ public class ConverterForOPML10 implements Converter {
         entry.getCategories().add(cat);
 
         if (context.size() > 0) {
-            final Integer parent = (Integer) context.peek();
+            final Integer parent = context.peek();
             final SyndCategory pcat = new TreeCategoryImpl();
             pcat.setTaxonomyUri(URI_TREE);
             pcat.setName("parent." + parent);
             entry.getCategories().add(pcat);
         }
 
-        final List attributes = Collections.synchronizedList(outline.getAttributes());
+        final List<Attribute> attributes = Collections.synchronizedList(outline.getAttributes());
 
         for (int i = 0; i < attributes.size(); i++) {
-            final Attribute a = (Attribute) attributes.get(i);
+            final Attribute a = attributes.get(i);
             final SyndCategory acat = new SyndCategoryImpl();
             acat.setName(a.getValue());
             acat.setTaxonomyUri(URI_ATTRIBUTE + a.getName());
@@ -197,22 +196,23 @@ public class ConverterForOPML10 implements Converter {
      */
     @Override
     public WireFeed createRealFeed(final SyndFeed syndFeed) {
-        final List entries = Collections.synchronizedList(syndFeed.getEntries());
 
-        final HashMap entriesByNode = new HashMap();
+        final List<SyndEntry> entries = Collections.synchronizedList(syndFeed.getEntries());
-        final ArrayList doAfterPass = new ArrayList(); // this will hold entries that we can't parent the first time.
+
-        final ArrayList root = new ArrayList(); // this holds root level outlines;
+        final HashMap<String, Outline> entriesByNode = new HashMap<String, Outline>();
+        final ArrayList<OutlineHolder> doAfterPass = new ArrayList<OutlineHolder>(); // this will hold entries that we can't parent the first time.
+        final ArrayList<Outline> root = new ArrayList<Outline>(); // this holds root level outlines;
 
         for (int i = 0; i < entries.size(); i++) {
-            final SyndEntry entry = (SyndEntry) entries.get(i);
+            final SyndEntry entry = entries.get(i);
             final Outline o = new Outline();
 
-            final List cats = Collections.synchronizedList(entry.getCategories());
+            final List<SyndCategory> cats = Collections.synchronizedList(entry.getCategories());
             boolean parentFound = false;
             final StringBuffer category = new StringBuffer();
 
             for (int j = 0; j < cats.size(); j++) {
-                final SyndCategory cat = (SyndCategory) cats.get(j);
+                final SyndCategory cat = cats.get(j);
 
                 if (cat.getTaxonomyUri() != null && cat.getTaxonomyUri().equals(URI_TREE)) {
                     final String nodeVal = cat.getName().substring(cat.getName().lastIndexOf("."), cat.getName().length());
@@ -222,7 +222,7 @@ public class ConverterForOPML10 implements Converter {
                     } else if (cat.getName().startsWith("parent.")) {
                         parentFound = true;
 
-                        final Outline parent = (Outline) entriesByNode.get(nodeVal);
+                        final Outline parent = entriesByNode.get(nodeVal);
 
                         if (parent != null) {
                             parent.getChildren().add(o);
@@ -250,11 +250,11 @@ public class ConverterForOPML10 implements Converter {
                 o.getAttributes().add(new Attribute("category", category.toString()));
             }
 
-            final List links = Collections.synchronizedList(entry.getLinks());
+            final List<SyndLink> links = Collections.synchronizedList(entry.getLinks());
-            final String entryLink = entry.getLink();
+            // final String entryLink = entry.getLink();
 
             for (int j = 0; j < links.size(); j++) {
-                final SyndLink link = (SyndLink) links.get(j);
+                final SyndLink link = links.get(j);
 
                 // if(link.getHref().equals(entryLink)) {
                 if (link.getType() != null && link.getRel() != null && link.getRel().equals("alternate")
@@ -289,8 +289,8 @@ public class ConverterForOPML10 implements Converter {
 
         // Do back and parenting for things we missed.
         for (int i = 0; i < doAfterPass.size(); i++) {
-            final OutlineHolder o = (OutlineHolder) doAfterPass.get(i);
+            final OutlineHolder o = doAfterPass.get(i);
-            final Outline parent = (Outline) entriesByNode.get(o.parent);
+            final Outline parent = entriesByNode.get(o.parent);
 
             if (parent == null) {
                 root.add(o.outline);
@@ -305,10 +305,10 @@ public class ConverterForOPML10 implements Converter {
         opml.setCreated(syndFeed.getPublishedDate());
         opml.setTitle(syndFeed.getTitle());
 
-        final List authors = Collections.synchronizedList(syndFeed.getAuthors());
+        final List<SyndPerson> authors = Collections.synchronizedList(syndFeed.getAuthors());
 
         for (int i = 0; i < authors.size(); i++) {
-            final SyndPerson p = (SyndPerson) authors.get(i);
+            final SyndPerson p = authors.get(i);
 
             if (syndFeed.getAuthor() == null || syndFeed.getAuthor().equals(p.getName())) {
                 opml.setOwnerName(p.getName());
@@ -345,7 +345,7 @@ public class ConverterForOPML10 implements Converter {
         }
     }
 
-    private static class TreeContext extends Stack {
+    private static class TreeContext extends Stack<Integer> {
 
         private static final long serialVersionUID = 1L;
 

src/main/java/com/sun/syndication/io/impl/OPML10Generator.java

@@ -146,10 +146,10 @@ public class OPML10Generator extends BaseWireFeedGenerator implements WireFeedGe
             addNotNullAttribute(e, "isComment", "true");
         }
 
-        final List atts = Collections.synchronizedList(outline.getAttributes());
+        final List<Attribute> atts = Collections.synchronizedList(outline.getAttributes());
 
         for (int i = 0; i < atts.size(); i++) {
-            final Attribute att = (Attribute) atts.get(i);
+            final Attribute att = atts.get(i);
             addNotNullAttribute(e, att.getName(), att.getValue());
         }
 
@@ -159,13 +159,11 @@ public class OPML10Generator extends BaseWireFeedGenerator implements WireFeedGe
         return e;
     }
 
-    protected List generateOutlines(final List outlines) {
+    protected List<Element> generateOutlines(final List<Outline> outlines) {
-        final ArrayList elements = new ArrayList();
+        final ArrayList<Element> elements = new ArrayList<Element>();
-
         for (int i = 0; outlines != null && i < outlines.size(); i++) {
-            elements.add(generateOutline((Outline) outlines.get(i)));
+            elements.add(generateOutline(outlines.get(i)));
         }
-
         return elements;
     }
 

src/main/java/com/sun/syndication/io/impl/OPML10Parser.java

@@ -177,11 +177,11 @@ public class OPML10Parser extends BaseWireFeedParser implements WireFeedParser {
         outline.setType(e.getAttributeValue("type"));
         outline.setTitle(e.getAttributeValue("title"));
 
-        final List jAttributes = e.getAttributes();
+        final List<org.jdom2.Attribute> jAttributes = e.getAttributes();
-        final ArrayList attributes = new ArrayList();
+        final ArrayList<Attribute> attributes = new ArrayList<Attribute>();
 
         for (int i = 0; i < jAttributes.size(); i++) {
-            final org.jdom2.Attribute a = (org.jdom2.Attribute) jAttributes.get(i);
+            final org.jdom2.Attribute a = jAttributes.get(i);
 
             if (!a.getName().equals("isBreakpoint") && !a.getName().equals("isComment") && !a.getName().equals("title") && !a.getName().equals("text")
                     && !a.getName().equals("type")) {
@@ -211,20 +211,18 @@ public class OPML10Parser extends BaseWireFeedParser implements WireFeedParser {
             }
         }
 
-        final List children = e.getChildren("outline");
+        final List<Element> children = e.getChildren("outline");
         outline.setModules(parseItemModules(e, locale));
         outline.setChildren(parseOutlines(children, validate, locale));
 
         return outline;
     }
 
-    protected List parseOutlines(final List elements, final boolean validate, final Locale locale) throws FeedException {
+    protected List<Outline> parseOutlines(final List<Element> elements, final boolean validate, final Locale locale) throws FeedException {
-        final ArrayList results = new ArrayList();
+        final ArrayList<Outline> results = new ArrayList<Outline>();
-
         for (int i = 0; i < elements.size(); i++) {
-            results.add(parseOutline((Element) elements.get(i), validate, locale));
+            results.add(parseOutline(elements.get(i), validate, locale));
         }
-
         return results;
     }
 

src/main/java/com/sun/syndication/io/impl/OPML20Parser.java

@@ -102,10 +102,10 @@ public class OPML20Parser extends OPML10Parser {
             retValue.setCreated(DateParser.parseRFC822(e.getAttributeValue("created"), locale));
         }
 
-        final List atts = retValue.getAttributes();
+        final List<Attribute> atts = retValue.getAttributes();
 
         for (int i = 0; i < atts.size(); i++) {
-            final Attribute a = (Attribute) atts.get(i);
+            final Attribute a = atts.get(i);
 
             if (a.getName().equals("created")) {
                 retValue.getAttributes().remove(a);

src/test/java/com/sun/syndication/TestXmlReader.java

@@ -44,17 +44,22 @@ public class TestXmlReader extends TestCase {
     }
 
     protected void _testRawNoBomValid(final String encoding) throws Exception {
+
         InputStream is = getXmlStream("no-bom", "xml", encoding, encoding);
-        XmlReader xmlReader = new XmlReader(is, false);
+        final XmlReader xmlReader = new XmlReader(is, false);
         assertEquals(xmlReader.getEncoding(), "UTF-8");
+        xmlReader.close();
 
         is = getXmlStream("no-bom", "xml-prolog", encoding, encoding);
-        xmlReader = new XmlReader(is);
+        final XmlReader xmlReader2 = new XmlReader(is);
         assertEquals(xmlReader.getEncoding(), "UTF-8");
+        xmlReader2.close();
 
         is = getXmlStream("no-bom", "xml-prolog-encoding", encoding, encoding);
-        xmlReader = new XmlReader(is);
+        final XmlReader xmlReader3 = new XmlReader(is);
         assertEquals(xmlReader.getEncoding(), encoding);
+        xmlReader3.close();
+
     }
 
     protected void _testRawNoBomInvalid(final String encoding) throws Exception {
@@ -62,6 +67,7 @@ public class TestXmlReader extends TestCase {
         try {
             final XmlReader xmlReader = new XmlReader(is, false);
             fail("It should have failed");
+            xmlReader.close();
         } catch (final IOException ex) {
             assertTrue(ex.getMessage().indexOf("Invalid encoding,") > -1);
         }
@@ -81,6 +87,7 @@ public class TestXmlReader extends TestCase {
         } else {
             assertEquals(xmlReader.getEncoding().substring(0, encoding.length()), encoding);
         }
+        xmlReader.close();
     }
 
     protected void _testRawBomInvalid(final String bomEnc, final String streamEnc, final String prologEnc) throws Exception {
@@ -88,6 +95,7 @@ public class TestXmlReader extends TestCase {
         try {
             final XmlReader xmlReader = new XmlReader(is, false);
             fail("It should have failed for BOM " + bomEnc + ", streamEnc " + streamEnc + " and prologEnc " + prologEnc);
+            xmlReader.close();
         } catch (final IOException ex) {
             assertTrue(ex.getMessage().indexOf("Invalid encoding,") > -1);
         }
@@ -169,6 +177,7 @@ public class TestXmlReader extends TestCase {
         } else {
             assertEquals(xmlReader.getEncoding().substring(0, streamEnc.length()), streamEnc);
         }
+        xmlReader.close();
     }
 
     protected void _testHttpInvalid(final String cT, final String bomEnc, final String streamEnc, final String prologEnc) throws Exception {
@@ -176,6 +185,7 @@ public class TestXmlReader extends TestCase {
         try {
             final XmlReader xmlReader = new XmlReader(is, cT, false);
             fail("It should have failed for HTTP Content-type " + cT + ", BOM " + bomEnc + ", streamEnc " + streamEnc + " and prologEnc " + prologEnc);
+            xmlReader.close();
         } catch (final IOException ex) {
             assertTrue(ex.getMessage().indexOf("Invalid encoding,") > -1);
         }
@@ -186,6 +196,7 @@ public class TestXmlReader extends TestCase {
         final InputStream is = getXmlStream(bomEnc, prologEnc == null ? "xml-prolog" : "xml-prolog-encoding", streamEnc, prologEnc);
         final XmlReader xmlReader = new XmlReader(is, cT, true);
         assertEquals(xmlReader.getEncoding(), shouldbe);
+        xmlReader.close();
     }
 
     // XML Stream generator
@@ -195,7 +206,7 @@ public class TestXmlReader extends TestCase {
     private static final int[] UTF_16LE_BOM_BYTES = { 0xFF, 0XFE };
     private static final int[] UTF_8_BOM_BYTES = { 0xEF, 0xBB, 0xBF };
 
-    private static final Map BOMs = new HashMap();
+    private static final Map<String, int[]> BOMs = new HashMap<String, int[]>();
 
     static {
         BOMs.put("no-bom", NO_BOM_BYTES);
@@ -211,7 +222,7 @@ public class TestXmlReader extends TestCase {
 
     private static final MessageFormat INFO = new MessageFormat("\nBOM : {0}\nDoc : {1}\nStream Enc : {2}\nProlog Enc : {3}\n");
 
-    private static final Map XMLs = new HashMap();
+    private static final Map<String, MessageFormat> XMLs = new HashMap<String, MessageFormat>();
 
     static {
         XMLs.put("xml", XML);
@@ -227,11 +238,11 @@ public class TestXmlReader extends TestCase {
      */
     protected InputStream getXmlStream(final String bomType, final String xmlType, final String streamEnc, final String prologEnc) throws IOException {
         final ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
-        int[] bom = (int[]) BOMs.get(bomType);
+        int[] bom = BOMs.get(bomType);
         if (bom == null) {
             bom = new int[0];
         }
-        final MessageFormat xml = (MessageFormat) XMLs.get(xmlType);
+        final MessageFormat xml = XMLs.get(xmlType);
         for (final int element : bom) {
             baos.write(element);
         }