### Eclipse Workspace Patch 1.0
#P org.eclipse.wst.xml.core
Index: META-INF/MANIFEST.MF
===================================================================
RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.wst.xml.core/META-INF/MANIFEST.MF,v
retrieving revision 1.54
diff -u -r1.54 MANIFEST.MF
--- META-INF/MANIFEST.MF	13 Oct 2009 19:03:44 -0000	1.54
+++ META-INF/MANIFEST.MF	22 Apr 2010 11:25:50 -0000
@@ -71,6 +71,8 @@
  org.eclipse.emf.ecore.xmi;bundle-version="[2.4.0,3.0.0)";resolution:=optional,
  org.eclipse.wst.common.emfworkbench.integration;bundle-version="[1.1.300,1.3.0)";resolution:=optional,
  org.eclipse.wst.common.core;bundle-version="[1.1.201,1.3.0)",
- org.eclipse.osgi.services;bundle-version="[3.2.0,4.0.0)"
+ org.eclipse.osgi.services;bundle-version="[3.2.0,4.0.0)",
+ org.eclipse.core.net;bundle-version="1.2.100",
+ org.apache.commons.codec;bundle-version="1.3.0"
 Bundle-ActivationPolicy: lazy; exclude:="org.eclipse.wst.xml.core.internal.contenttype"
 Bundle-RequiredExecutionEnvironment: J2SE-1.4
Index: src-validation/org/eclipse/wst/xml/core/internal/validation/ValidatorHelper.java
===================================================================
RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.wst.xml.core/src-validation/org/eclipse/wst/xml/core/internal/validation/ValidatorHelper.java,v
retrieving revision 1.14
diff -u -r1.14 ValidatorHelper.java
--- src-validation/org/eclipse/wst/xml/core/internal/validation/ValidatorHelper.java	11 Dec 2008 01:31:12 -0000	1.14
+++ src-validation/org/eclipse/wst/xml/core/internal/validation/ValidatorHelper.java	22 Apr 2010 11:25:50 -0000
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2001, 2008 IBM Corporation and others.
+ * Copyright (c) 2001, 2010 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -11,15 +11,22 @@
 
 package org.eclipse.wst.xml.core.internal.validation;
 
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.Reader;
+import java.net.URISyntaxException;
 import java.net.URL;
+import java.net.URLConnection;
 import java.util.List;
 import java.util.Vector;
 
+import org.apache.commons.codec.binary.Base64;
+import org.eclipse.core.net.proxy.IProxyData;
+import org.eclipse.core.net.proxy.IProxyService;
 import org.eclipse.wst.common.uriresolver.internal.provisional.URIResolver;
 import org.eclipse.wst.common.uriresolver.internal.provisional.URIResolverPlugin;
 import org.eclipse.wst.common.uriresolver.internal.util.URIHelper;
+import org.eclipse.wst.xml.core.internal.XMLCorePlugin;
 import org.xml.sax.Attributes;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
@@ -270,7 +277,7 @@
           try
           {
             URL url = new URL(location);
-            is = url.openStream();
+            is = getProxiedInputStream(url);
             isGrammarEncountered = true;
           }
           catch(Exception e)
@@ -358,4 +365,23 @@
     }
     return string;
   }
+  
+	private static InputStream getProxiedInputStream(final URL url) throws IOException, URISyntaxException {
+		final IProxyService proxyService = XMLCorePlugin.getDefault().getProxyService();
+		final IProxyData[] proxyDatas = proxyService.select(url.toURI());
+		if (proxyDatas.length > 0) {
+			final IProxyData proxyData = proxyDatas[0];
+			if (proxyData.isRequiresAuthentication()) {
+				final String user = proxyData.getUserId();
+				final String password = proxyData.getPassword();
+				final String proxyAuthorizationValue = "Basic " + Base64.encodeBase64((user + ":" + password).getBytes()); //$NON-NLS-1$ //$NON-NLS-2$
+				final URLConnection conn= url.openConnection();
+				conn.setRequestProperty("Proxy-Authorization", proxyAuthorizationValue); //$NON-NLS-1$
+				conn.connect();
+				return conn.getInputStream();
+			}
+		}
+		return url.openConnection().getInputStream();
+	}
+
 }
Index: src/org/eclipse/wst/xml/core/internal/XMLCorePlugin.java
===================================================================
RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/XMLCorePlugin.java,v
retrieving revision 1.11
diff -u -r1.11 XMLCorePlugin.java
--- src/org/eclipse/wst/xml/core/internal/XMLCorePlugin.java	10 Apr 2007 20:05:35 -0000	1.11
+++ src/org/eclipse/wst/xml/core/internal/XMLCorePlugin.java	22 Apr 2010 11:25:50 -0000
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2001, 2006 IBM Corporation and others.
+ * Copyright (c) 2001, 2010 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -12,12 +12,15 @@
  *******************************************************************************/
 package org.eclipse.wst.xml.core.internal;
 
+import org.eclipse.core.net.proxy.IProxyService;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.Plugin;
 import org.eclipse.wst.xml.core.internal.catalog.Catalog;
 import org.eclipse.wst.xml.core.internal.catalog.CatalogSet;
 import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalog;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
 
 
 /**
@@ -31,7 +34,7 @@
 	public static final String SYSTEM_CATALOG_ID = "system_catalog"; //$NON-NLS-1$
 	private CatalogSet catalogSet = null;
 	private String defaultCatalogFileStateLocation;
-
+	private IProxyService proxyService;
 
 	/**
 	 * Returns the shared instance.
@@ -46,6 +49,13 @@
 	public static IWorkspace getWorkspace() {
 		return ResourcesPlugin.getWorkspace();
 	}
+	
+	/**
+	 * Returns proxy service to fetch XML schema file if proxy configured. See bug #299232. 
+	 */
+	public IProxyService getProxyService() {
+		return proxyService;
+	}
 
 	/**
 	 * The constructor.
@@ -77,4 +87,10 @@
 		return catalogSet.lookupOrCreateCatalog(DEFAULT_CATALOG_ID, defaultCatalogFileStateLocation);
 	}
 
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		ServiceReference reference = context.getServiceReference(IProxyService.class.getName());
+		IProxyService proxyService = (IProxyService) context.getService(reference);
+		this.proxyService = proxyService;
+	}
 }