Author: xavier
Date: Tue Jun 26 13:37:50 2007
New Revision: 550935

URL: http://svn.apache.org/viewvc?view=rev&rev=550935
Log:
clean code

Modified:
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/ExtendableItemHelper.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/UnmodifiableExtendableItem.java
    incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/AndFilter.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/ArtifactTypeFilter.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/FilterHelper.java
    incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NoFilter.java
    incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NotFilter.java
    incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/OrFilter.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/ApacheURLLister.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/BasicURLHandler.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/CredentialsStore.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/HttpClientHandler.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/IvyAuthenticator.java
    incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandler.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerDispatcher.java
    
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerRegistry.java

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/ExtendableItemHelper.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/ExtendableItemHelper.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/ExtendableItemHelper.java
 (original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/ExtendableItemHelper.java
 Tue Jun 26 13:37:50 2007
@@ -25,7 +25,9 @@
 
 import org.xml.sax.Attributes;
 
-public class ExtendableItemHelper {
+public final class ExtendableItemHelper {
+    private ExtendableItemHelper() {
+    }
 
     public static Map getExtraAttributes(Attributes attributes, String prefix) 
{
         Map ret = new HashMap();

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/UnmodifiableExtendableItem.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/UnmodifiableExtendableItem.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/UnmodifiableExtendableItem.java
 (original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/extendable/UnmodifiableExtendableItem.java
 Tue Jun 26 13:37:50 2007
@@ -22,39 +22,39 @@
 import java.util.Map;
 
 public class UnmodifiableExtendableItem implements ExtendableItem {
-    private Map _attributes = new HashMap();
+    private Map attributes = new HashMap();
 
-    private Map _unmodifiableAttributesView = 
Collections.unmodifiableMap(_attributes);
+    private Map unmodifiableAttributesView = 
Collections.unmodifiableMap(attributes);
 
-    private Map _stdAttributes = new HashMap();
+    private Map stdAttributes = new HashMap();
 
-    private Map _unmodifiableStdAttributesView = 
Collections.unmodifiableMap(_stdAttributes);
+    private Map unmodifiableStdAttributesView = 
Collections.unmodifiableMap(stdAttributes);
 
-    private Map _extraAttributes = new HashMap();
+    private Map extraAttributes = new HashMap();
 
-    private Map _unmodifiableExtraAttributesView = 
Collections.unmodifiableMap(_extraAttributes);
+    private Map unmodifiableExtraAttributesView = 
Collections.unmodifiableMap(extraAttributes);
 
     public UnmodifiableExtendableItem(Map stdAttributes, Map extraAttributes) {
         if (stdAttributes != null) {
-            _attributes.putAll(stdAttributes);
-            _stdAttributes.putAll(stdAttributes);
+            attributes.putAll(stdAttributes);
+            stdAttributes.putAll(stdAttributes);
         }
         if (extraAttributes != null) {
-            _attributes.putAll(extraAttributes);
-            _extraAttributes.putAll(extraAttributes);
+            attributes.putAll(extraAttributes);
+            extraAttributes.putAll(extraAttributes);
         }
     }
 
     public String getAttribute(String attName) {
-        return (String) _attributes.get(attName);
+        return (String) attributes.get(attName);
     }
 
     public String getExtraAttribute(String attName) {
-        return (String) _extraAttributes.get(attName);
+        return (String) extraAttributes.get(attName);
     }
 
     public String getStandardAttribute(String attName) {
-        return (String) _stdAttributes.get(attName);
+        return (String) stdAttributes.get(attName);
     }
 
     protected void setExtraAttribute(String attName, String attValue) {
@@ -67,23 +67,23 @@
 
     protected void setAttribute(String attName, String attValue, boolean 
extra) {
         if (extra) {
-            _extraAttributes.put(attName, attValue);
+            extraAttributes.put(attName, attValue);
         } else {
-            _stdAttributes.put(attName, attValue);
+            stdAttributes.put(attName, attValue);
         }
-        _attributes.put(attName, attValue);
+        attributes.put(attName, attValue);
     }
 
     public Map getAttributes() {
-        return _unmodifiableAttributesView;
+        return unmodifiableAttributesView;
     }
 
     public Map getStandardAttributes() {
-        return _unmodifiableStdAttributesView;
+        return unmodifiableStdAttributesView;
     }
 
     public Map getExtraAttributes() {
-        return _unmodifiableExtraAttributesView;
+        return unmodifiableExtraAttributesView;
     }
 
 }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/AndFilter.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/AndFilter.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/AndFilter.java 
(original)
+++ incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/AndFilter.java 
Tue Jun 26 13:37:50 2007
@@ -18,24 +18,24 @@
 package org.apache.ivy.util.filter;
 
 public class AndFilter implements Filter {
-    private Filter _op1;
+    private Filter op1;
 
-    private Filter _op2;
+    private Filter op2;
 
     public AndFilter(Filter op1, Filter op2) {
-        _op1 = op1;
-        _op2 = op2;
+        this.op1 = op1;
+        this.op2 = op2;
     }
 
     public Filter getOp1() {
-        return _op1;
+        return op1;
     }
 
     public Filter getOp2() {
-        return _op2;
+        return op2;
     }
 
     public boolean accept(Object o) {
-        return _op1.accept(o) && _op2.accept(o);
+        return op1.accept(o) && op2.accept(o);
     }
 }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/ArtifactTypeFilter.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/ArtifactTypeFilter.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/ArtifactTypeFilter.java
 (original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/ArtifactTypeFilter.java
 Tue Jun 26 13:37:50 2007
@@ -23,10 +23,10 @@
 import org.apache.ivy.core.module.descriptor.Artifact;
 
 public class ArtifactTypeFilter implements Filter {
-    private Collection _acceptedTypes;
+    private Collection acceptedTypes;
 
     public ArtifactTypeFilter(Collection acceptedTypes) {
-        _acceptedTypes = new ArrayList(acceptedTypes);
+        this.acceptedTypes = new ArrayList(acceptedTypes);
     }
 
     public boolean accept(Object o) {
@@ -34,6 +34,6 @@
             return false;
         }
         Artifact art = (Artifact) o;
-        return _acceptedTypes.contains(art.getType());
+        return acceptedTypes.contains(art.getType());
     }
 }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/FilterHelper.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/FilterHelper.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/FilterHelper.java 
(original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/FilterHelper.java 
Tue Jun 26 13:37:50 2007
@@ -22,8 +22,11 @@
 import java.util.Iterator;
 import java.util.List;
 
-public class FilterHelper {
-    public static Filter NO_FILTER = NoFilter.INSTANCE;
+public final class FilterHelper {
+    private FilterHelper() {
+    }
+    
+    public static final Filter NO_FILTER = NoFilter.INSTANCE;
 
     public static Filter getArtifactTypeFilter(String types) {
         if (types == null || types.trim().equals("*")) {

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NoFilter.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NoFilter.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NoFilter.java 
(original)
+++ incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NoFilter.java 
Tue Jun 26 13:37:50 2007
@@ -17,7 +17,7 @@
  */
 package org.apache.ivy.util.filter;
 
-public class NoFilter implements Filter {
+public final class NoFilter implements Filter {
     public static final Filter INSTANCE = new NoFilter();
 
     private NoFilter() {

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NotFilter.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NotFilter.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NotFilter.java 
(original)
+++ incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/NotFilter.java 
Tue Jun 26 13:37:50 2007
@@ -18,17 +18,17 @@
 package org.apache.ivy.util.filter;
 
 public class NotFilter implements Filter {
-    private Filter _op;
+    private Filter op;
 
     public NotFilter(Filter op) {
-        _op = op;
+        this.op = op;
     }
 
     public Filter getOp() {
-        return _op;
+        return op;
     }
 
     public boolean accept(Object o) {
-        return !_op.accept(o);
+        return !op.accept(o);
     }
 }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/OrFilter.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/OrFilter.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/OrFilter.java 
(original)
+++ incubator/ivy/core/trunk/src/java/org/apache/ivy/util/filter/OrFilter.java 
Tue Jun 26 13:37:50 2007
@@ -18,24 +18,24 @@
 package org.apache.ivy.util.filter;
 
 public class OrFilter implements Filter {
-    private Filter _op1;
+    private Filter op1;
 
-    private Filter _op2;
+    private Filter op2;
 
     public OrFilter(Filter op1, Filter op2) {
-        _op1 = op1;
-        _op2 = op2;
+        this.op1 = op1;
+        this.op2 = op2;
     }
 
     public Filter getOp1() {
-        return _op1;
+        return op1;
     }
 
     public Filter getOp2() {
-        return _op2;
+        return op2;
     }
 
     public boolean accept(Object o) {
-        return _op1.accept(o) || _op2.accept(o);
+        return op1.accept(o) || op2.accept(o);
     }
 }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/ApacheURLLister.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/ApacheURLLister.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/ApacheURLLister.java 
(original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/ApacheURLLister.java 
Tue Jun 26 13:37:50 2007
@@ -138,7 +138,8 @@
             int dotIndex = text.indexOf('.');
 
             if (((dotIndex != -1) && !href.startsWith(text.substring(0, 
dotIndex)))
-                    || ((dotIndex == -1) && 
!href.toLowerCase(Locale.US).equals(text.toLowerCase(Locale.US)))) {
+                    || ((dotIndex == -1) 
+                            && 
!href.toLowerCase(Locale.US).equals(text.toLowerCase(Locale.US)))) {
                 // the href and the text do not "match"
                 continue;
             }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/BasicURLHandler.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/BasicURLHandler.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/BasicURLHandler.java 
(original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/BasicURLHandler.java 
Tue Jun 26 13:37:50 2007
@@ -36,7 +36,9 @@
  */
 public class BasicURLHandler extends AbstractURLHandler {
 
-    private static interface HttpStatus {
+    private static final int BUFFER_SIZE = 4096;
+
+    private static class HttpStatus {
         static final int SC_OK = 200;
 
         static final int SC_PROXY_AUTHENTICATION_REQUIRED = 407;
@@ -83,8 +85,8 @@
             }
         } catch (UnknownHostException e) {
             Message.warn("Host " + e.getMessage() + " not found. url=" + url);
-            Message
-                    .info("You probably access the destination server through 
a proxy server that is not well configured.");
+            Message.info("You probably access the destination server through "
+                + "a proxy server that is not well configured.");
         } catch (IOException e) {
             Message.error("Server access Error: " + e.getMessage() + " url=" + 
url);
         } finally {
@@ -101,7 +103,7 @@
             inStream = conn.getInputStream();
             ByteArrayOutputStream outStream = new ByteArrayOutputStream();
 
-            byte[] buffer = new byte[4096];
+            byte[] buffer = new byte[BUFFER_SIZE];
             int len;
             while ((len = inStream.read(buffer)) > 0) {
                 outStream.write(buffer, 0, len);
@@ -146,6 +148,7 @@
             try {
                 con.getInputStream().close();
             } catch (IOException e) {
+                // ignored
             }
         }
     }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/CredentialsStore.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/CredentialsStore.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/CredentialsStore.java 
(original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/CredentialsStore.java 
Tue Jun 26 13:37:50 2007
@@ -26,13 +26,13 @@
 /**
  * 
  */
-public class CredentialsStore {
+public final class CredentialsStore {
     /**
      * A Map of Credentials objects keyed by the 'key' of the Credentials.
      */
-    private final static Map keyring = new HashMap();
+    private static final Map KEYRING = new HashMap();
 
-    public final static CredentialsStore INSTANCE = new CredentialsStore();
+    public static final CredentialsStore INSTANCE = new CredentialsStore();
 
     private CredentialsStore() {
     }
@@ -43,14 +43,14 @@
         }
         Credentials c = new Credentials(realm, host, userName, passwd);
         Message.debug("credentials added: " + c);
-        keyring.put(c.getKey(), c);
+        KEYRING.put(c.getKey(), c);
         // add also with host only, to be able to find credential with host 
only
         // (useful for httpclient especially)
-        keyring.put(c.getHost(), c);
+        KEYRING.put(c.getHost(), c);
     }
 
     public Credentials getCredentials(String realm, String host) {
-        return (Credentials) keyring.get(Credentials.buildKey(realm, host));
+        return (Credentials) KEYRING.get(Credentials.buildKey(realm, host));
     }
 
 }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/HttpClientHandler.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/HttpClientHandler.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/HttpClientHandler.java
 (original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/HttpClientHandler.java
 Tue Jun 26 13:37:50 2007
@@ -50,35 +50,35 @@
             "EEE, d MMM yyyy HH:mm:ss z", Locale.US);
 
     // proxy configuration: obtain from system properties
-    private int _proxyPort;
+    private int proxyPort;
 
-    private String _proxyRealm = null;
+    private String proxyRealm = null;
 
-    private String _proxyHost = null;
+    private String proxyHost = null;
 
-    private String _proxyUserName = null;
+    private String proxyUserName = null;
 
-    private String _proxyPasswd = null;
+    private String proxyPasswd = null;
 
-    private HttpClientHelper _httpClientHelper;
+    private HttpClientHelper httpClientHelper;
 
     public HttpClientHandler() {
         configureProxy();
     }
 
     private void configureProxy() {
-        _proxyRealm = null;
+        proxyRealm = null;
         // no equivalent for realm in jdk proxy support ?
-        _proxyHost = System.getProperty("http.proxyHost");
+        proxyHost = System.getProperty("http.proxyHost");
         // TODO constant is better ...
         if (useProxy()) {
-            _proxyPort = Integer.parseInt(System.getProperty("http.proxyPort", 
"80"));
-            _proxyUserName = System.getProperty("http.proxyUser");
-            _proxyPasswd = System.getProperty("http.proxyPassword");
+            proxyPort = Integer.parseInt(System.getProperty("http.proxyPort", 
"80"));
+            proxyUserName = System.getProperty("http.proxyUser");
+            proxyPasswd = System.getProperty("http.proxyPassword");
             // It seems there is no equivalent in HttpClient for
             // 'http.nonProxyHosts' property
-            Message.verbose("proxy configured: host=" + _proxyHost + " port=" 
+ _proxyPort
-                    + " user=" + _proxyUserName);
+            Message.verbose("proxy configured: host=" + proxyHost + " port=" + 
proxyPort
+                    + " user=" + proxyUserName);
         } else {
             Message.verbose("no proxy configured");
         }
@@ -122,8 +122,8 @@
                     + e.getReason() + " url=" + url);
         } catch (UnknownHostException e) {
             Message.warn("Host " + e.getMessage() + " not found. url=" + url);
-            Message
-                    .info("You probably access the destination server through 
a proxy server that is not well configured.");
+            Message.info("You probably access the destination server through "
+                + "a proxy server that is not well configured.");
         } catch (IOException e) {
             Message.error("HttpClientHandler: " + e.getMessage() + " url=" + 
url);
         } finally {
@@ -141,6 +141,7 @@
             try {
                 return LAST_MODIFIED_FORMAT.parse(lastModified).getTime();
             } catch (ParseException e) {
+                // ignored
             }
             return System.currentTimeMillis();
         } else {
@@ -153,24 +154,25 @@
     }
 
     private HttpClientHelper getHttpClientHelper() {
-        if (_httpClientHelper == null) {
+        if (httpClientHelper == null) {
             // use commons httpclient 3.0 if available
             try {
                 HttpMethodBase.class.getMethod("getResponseContentLength", new 
Class[0]);
-                _httpClientHelper = new HttpClientHelper3x();
+                httpClientHelper = new HttpClientHelper3x();
                 Message.verbose("using commons httpclient 3.x helper");
             } catch (SecurityException e) {
-                Message
-                        .verbose("unable to get access to 
getResponseContentLength of commons-httpclient HeadMethod. Please use 
commons-httpclient 3.0 or use ivy with sufficient security permissions.");
+                Message.verbose("unable to get access to 
getResponseContentLength of "
+                    + "commons-httpclient HeadMethod. Please use 
commons-httpclient 3.0 or "
+                    + "use ivy with sufficient security permissions.");
                 Message.verbose("exception: " + e.getMessage());
-                _httpClientHelper = new HttpClientHelper2x();
+                httpClientHelper = new HttpClientHelper2x();
                 Message.verbose("using commons httpclient 2.x helper");
             } catch (NoSuchMethodException e) {
-                _httpClientHelper = new HttpClientHelper2x();
+                httpClientHelper = new HttpClientHelper2x();
                 Message.verbose("using commons httpclient 2.x helper");
             }
         }
-        return _httpClientHelper;
+        return httpClientHelper;
     }
 
     public int getHttpClientMajorVersion() {
@@ -178,7 +180,7 @@
         return helper.getHttpClientMajorVersion();
     }
 
-    private GetMethod doGet(URL url) throws IOException, HttpException {
+    private GetMethod doGet(URL url) throws IOException {
         HttpClient client = getClient(url);
 
         GetMethod get = new GetMethod(url.toExternalForm());
@@ -187,7 +189,7 @@
         return get;
     }
 
-    private HeadMethod doHead(URL url, int timeout) throws IOException, 
HttpException {
+    private HeadMethod doHead(URL url, int timeout) throws IOException {
         HttpClient client = getClient(url);
         client.setTimeout(timeout);
 
@@ -207,10 +209,10 @@
         client.getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, 
authPrefs);
 
         if (useProxy()) {
-            client.getHostConfiguration().setProxy(_proxyHost, _proxyPort);
+            client.getHostConfiguration().setProxy(proxyHost, proxyPort);
             if (useProxyAuthentication()) {
-                client.getState().setProxyCredentials(_proxyRealm, _proxyHost,
-                    new UsernamePasswordCredentials(_proxyUserName, 
_proxyPasswd));
+                client.getState().setProxyCredentials(proxyRealm, proxyHost,
+                    new UsernamePasswordCredentials(proxyUserName, 
proxyPasswd));
             }
         }
         Credentials c = getCredentials(url);
@@ -223,7 +225,7 @@
     }
 
     private boolean useProxy() {
-        return _proxyHost != null && _proxyHost.trim().length() > 0;
+        return proxyHost != null && proxyHost.trim().length() > 0;
     }
 
     private boolean useAuthentication(URL url) {
@@ -235,70 +237,72 @@
     }
 
     private boolean useProxyAuthentication() {
-        return (_proxyUserName != null && _proxyUserName.trim().length() > 0);
+        return (proxyUserName != null && proxyUserName.trim().length() > 0);
     }
 
     private static final class GETInputStream extends InputStream {
-        private InputStream _is;
+        private InputStream is;
 
-        private GetMethod _get;
+        private GetMethod get;
 
         private GETInputStream(GetMethod get) throws IOException {
-            _get = get;
-            _is = get.getResponseBodyAsStream();
+            this.get = get;
+            is = get.getResponseBodyAsStream();
         }
 
         public int available() throws IOException {
-            return _is.available();
+            return is.available();
         }
 
         public void close() throws IOException {
-            _is.close();
-            _get.releaseConnection();
+            is.close();
+            get.releaseConnection();
         }
 
         public boolean equals(Object obj) {
-            return _is.equals(obj);
+            return is.equals(obj);
         }
 
         public int hashCode() {
-            return _is.hashCode();
+            return is.hashCode();
         }
 
         public void mark(int readlimit) {
-            _is.mark(readlimit);
+            is.mark(readlimit);
         }
 
         public boolean markSupported() {
-            return _is.markSupported();
+            return is.markSupported();
         }
 
         public int read() throws IOException {
-            return _is.read();
+            return is.read();
         }
 
         public int read(byte[] b, int off, int len) throws IOException {
-            return _is.read(b, off, len);
+            return is.read(b, off, len);
         }
 
         public int read(byte[] b) throws IOException {
-            return _is.read(b);
+            return is.read(b);
         }
 
         public void reset() throws IOException {
-            _is.reset();
+            is.reset();
         }
 
         public long skip(long n) throws IOException {
-            return _is.skip(n);
+            return is.skip(n);
         }
 
         public String toString() {
-            return _is.toString();
+            return is.toString();
         }
     }
 
     private static final class HttpClientHelper3x implements HttpClientHelper {
+        private static final int VERSION = 3;
+
         private HttpClientHelper3x() {
         }
 
@@ -310,11 +314,13 @@
          * [EMAIL PROTECTED]
          */
         public int getHttpClientMajorVersion() {
-            return 3;
+            return VERSION;
         }
     }
 
     private static final class HttpClientHelper2x implements HttpClientHelper {
+        private static final int VERSION = 2;
+
         private HttpClientHelper2x() {
         }
 
@@ -334,7 +340,7 @@
          * [EMAIL PROTECTED]
          */
         public int getHttpClientMajorVersion() {
-            return 2;
+            return VERSION;
         }
     }
 

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/IvyAuthenticator.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/IvyAuthenticator.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/IvyAuthenticator.java 
(original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/IvyAuthenticator.java 
Tue Jun 26 13:37:50 2007
@@ -31,7 +31,7 @@
     /**
      * The sole instance.
      */
-    public final static IvyAuthenticator INSTANCE = new IvyAuthenticator();
+    public static final IvyAuthenticator INSTANCE = new IvyAuthenticator();
 
     /**
      * Private c'tor to prevent instantiation. Also installs this as the 
default Authenticator to

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandler.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandler.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandler.java 
(original)
+++ incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandler.java 
Tue Jun 26 13:37:50 2007
@@ -30,28 +30,28 @@
  */
 public interface URLHandler {
     public static class URLInfo {
-        private long _contentLength;
+        private long contentLength;
 
-        private long _lastModified;
+        private long lastModified;
 
-        private boolean _available;
+        private boolean available;
 
         protected URLInfo(boolean available, long contentLength, long 
lastModified) {
-            _available = available;
-            _contentLength = contentLength;
-            _lastModified = lastModified;
+            this.available = available;
+            this.contentLength = contentLength;
+            this.lastModified = lastModified;
         }
 
         public boolean isReachable() {
-            return _available;
+            return available;
         }
 
         public long getContentLength() {
-            return _contentLength;
+            return contentLength;
         }
 
         public long getLastModified() {
-            return _lastModified;
+            return lastModified;
         }
     }
 

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerDispatcher.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerDispatcher.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerDispatcher.java
 (original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerDispatcher.java
 Tue Jun 26 13:37:50 2007
@@ -30,9 +30,9 @@
  * This class is used to dispatch downloading requests
  */
 public class URLHandlerDispatcher implements URLHandler {
-    protected Map _handlers = new HashMap();
+    private Map handlers = new HashMap();
 
-    protected URLHandler _default = new BasicURLHandler();
+    private URLHandler defaultHandler = new BasicURLHandler();
 
     public URLHandlerDispatcher() {
     }
@@ -78,19 +78,19 @@
     }
 
     public void setDownloader(String protocol, URLHandler downloader) {
-        _handlers.put(protocol, downloader);
+        handlers.put(protocol, downloader);
     }
 
     public URLHandler getHandler(String protocol) {
-        URLHandler downloader = (URLHandler) _handlers.get(protocol);
-        return downloader == null ? _default : downloader;
+        URLHandler downloader = (URLHandler) handlers.get(protocol);
+        return downloader == null ? defaultHandler : downloader;
     }
 
     public URLHandler getDefault() {
-        return _default;
+        return defaultHandler;
     }
 
     public void setDefault(URLHandler default1) {
-        _default = default1;
+        defaultHandler = default1;
     }
 }

Modified: 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerRegistry.java
URL: 
http://svn.apache.org/viewvc/incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerRegistry.java?view=diff&rev=550935&r1=550934&r2=550935
==============================================================================
--- 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerRegistry.java
 (original)
+++ 
incubator/ivy/core/trunk/src/java/org/apache/ivy/util/url/URLHandlerRegistry.java
 Tue Jun 26 13:37:50 2007
@@ -22,15 +22,18 @@
 /**
  *
  */
-public class URLHandlerRegistry {
-    private static URLHandler _default = new BasicURLHandler();
+public final class URLHandlerRegistry {
+    private URLHandlerRegistry() {
+    }
+    
+    private static URLHandler defaultHandler = new BasicURLHandler();
 
     public static URLHandler getDefault() {
-        return _default;
+        return defaultHandler;
     }
 
     public static void setDefault(URLHandler def) {
-        _default = def;
+        defaultHandler = def;
     }
 
     /**


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