1 files changed, 148 insertions, 0 deletions
diff --git a/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/bugzilla/core/internal/ProductParser.java b/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/bugzilla/core/internal/ProductParser.java
new file mode 100644
index 000000000..b33b7e706
--- /dev/null
+++ b/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/bugzilla/core/internal/ProductParser.java
@@ -0,0 +1,148 @@
+/*******************************************************************************
+ * Copyright (c) 2003 - 2005 University Of British Columbia 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     University Of British Columbia - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.mylar.bugzilla.core.internal;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.security.auth.login.LoginException;
+
+import org.eclipse.mylar.bugzilla.core.internal.HtmlStreamTokenizer.Token;
+
+
+
+/**
+ * @author Shawn Minto
+ *
+ * This class is used to parse the available products to log a bug for
+ */
+public class ProductParser 
+{
+    /** Tokenizer used on the stream */
+    private HtmlStreamTokenizer tokenizer;
+
+    public ProductParser(Reader in) {
+        tokenizer = new HtmlStreamTokenizer(in, null);
+    }
+    
+	/**
+	 * Parse the product page for the valid products that a bug can be logged for
+	 * @param in The input stream for the products page
+	 * @return A list of the products that we can enter bugs for
+	 * @throws IOException
+	 * @throws ParseException
+	 */
+	public List<String> getProducts() throws IOException, ParseException, LoginException
+	{
+		ArrayList<String> products = null;
+
+		boolean isTitle = false;
+		boolean possibleBadLogin = false;
+		String title = "";
+
+		for (HtmlStreamTokenizer.Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) {
+				
+			// make sure that bugzilla doesn't want us to login
+			if(token.getType() == Token.TAG && ((HtmlTag)(token.getValue())).getTagType() == HtmlTag.Type.TITLE && !((HtmlTag)(token.getValue())).isEndTag())
+			{
+				isTitle = true;
+				continue;
+			}
+			
+			if(isTitle)
+			{
+				// get all of the data in the title tag
+				if(token.getType() != Token.TAG)
+				{
+					title += ((StringBuffer)token.getValue()).toString().toLowerCase() + " ";
+					continue;
+				}
+				else if(token.getType() == Token.TAG && ((HtmlTag)token.getValue()).getTagType() == HtmlTag.Type.TITLE && ((HtmlTag)token.getValue()).isEndTag())
+				{
+					// compare the title to see if we think that there is a problem with login
+					if((title.indexOf("login") != -1 || (title.indexOf("invalid") != -1 && title.indexOf("password") != -1) ||  title.indexOf("check e-mail") != -1 || title.indexOf("error") != -1))
+						possibleBadLogin = true;
+					isTitle = false;
+					title = "";
+				}
+					continue;
+			}
+				
+			if (token.getType() == Token.TAG ) {
+				HtmlTag tag = (HtmlTag) token.getValue();
+				if (tag.getTagType() == HtmlTag.Type.TR) 
+				{
+					token = tokenizer.nextToken();
+					if(token.getType() != Token.EOF && token.getType() == Token.TAG)
+					{
+						tag = (HtmlTag)token.getValue();
+						if(tag.getTagType() != HtmlTag.Type.TH)
+							continue;
+						else
+						{
+							if(products == null)
+                                products = new ArrayList<String>();
+                            parseProducts(products);
+							
+						}
+					}
+					continue;
+				}
+			}
+		}
+		
+		// if we have no products and we suspect a login error, assume that it was a login error
+		if(products == null && possibleBadLogin)
+			throw new LoginException("Bugzilla login information incorrect");
+		return products;
+	}
+
+	/**
+	 * Parse the products that we can enter bugs for
+	 * @param products The list of products to add this new product to
+	 * @return
+	 */
+	private void parseProducts(List<String> products) throws IOException, ParseException 
+	{
+		StringBuffer sb = new StringBuffer();
+
+		for (HtmlStreamTokenizer.Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) 
+		{
+			if(token.getType() == Token.TAG)
+			{
+				HtmlTag tag = (HtmlTag)token.getValue();
+				if(tag.getTagType() == HtmlTag.Type.TH && tag.isEndTag())
+					break;
+			}
+			else if(token.getType() == Token.TEXT)
+				sb.append(token.toString());
+		}
+		
+		String prod = HtmlStreamTokenizer.unescape(sb).toString();
+		if(prod.endsWith(":"))
+			prod = prod.substring(0, prod.length() - 1);
+		products.add(prod);
+				
+		for (HtmlStreamTokenizer.Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) 
+		{
+			if(token.getType() == Token.TAG)
+			{
+				HtmlTag tag = (HtmlTag)token.getValue();
+				if(tag.getTagType() == HtmlTag.Type.TR && tag.isEndTag())
+					break;
+		
+			}
+		}
+	}
+}