1 files changed, 109 insertions, 0 deletions
diff --git a/src/com/google/wireless/gdata/spreadsheets/parser/xml/XmlListGDataParser.java b/src/com/google/wireless/gdata/spreadsheets/parser/xml/XmlListGDataParser.java
new file mode 100755
index 0000000..b582ad9
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+++ b/src/com/google/wireless/gdata/spreadsheets/parser/xml/XmlListGDataParser.java
@@ -0,0 +1,109 @@
+// Copyright 2007 The Android Open Source Project
+package com.google.wireless.gdata.spreadsheets.parser.xml;
+
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.data.Feed;
+import com.google.wireless.gdata.data.StringUtils;
+import com.google.wireless.gdata.data.XmlUtils;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.parser.xml.XmlGDataParser;
+import com.google.wireless.gdata.spreadsheets.data.ListEntry;
+import com.google.wireless.gdata.spreadsheets.data.ListFeed;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Parser for non-Atom data in a GData Spreadsheets List-based feed.
+ */
+public class XmlListGDataParser extends XmlGDataParser {
+    /**
+     * The rel ID used by the server to identify the URLs for List POSTs
+     * (updates)
+     */
+    private static final String LIST_FEED_POST_REL =
+            "http://schemas.google.com/g/2005#post";
+
+    /**
+     * Creates a new XmlListGDataParser.
+     * 
+     * @param is the stream from which to read the data
+     * @param xmlParser the XmlPullParser to use to parse the raw XML
+     * @throws ParseException if the super-class throws one
+     */
+    public XmlListGDataParser(InputStream is, XmlPullParser xmlParser)
+            throws ParseException {
+        super(is, xmlParser);
+    }
+
+    /* (non-JavaDoc)
+     * Creates a new Entry that can handle the data parsed by this class.
+     */
+    protected Entry createEntry() {
+        return new ListEntry();
+    }
+
+    /* (non-JavaDoc)
+     * Creates a new Feed that can handle the data parsed by this class.
+     */
+    protected Feed createFeed() {
+        return new ListFeed();
+    }
+
+    /* (non-JavaDoc)
+     * Callback to handle non-Atom data present in an Atom entry tag.
+     */
+    protected void handleExtraElementInEntry(Entry entry)
+            throws XmlPullParserException, IOException {
+        XmlPullParser parser = getParser();
+        if (!(entry instanceof ListEntry)) {
+            throw new IllegalArgumentException("Expected ListEntry!");
+        }
+        ListEntry row = (ListEntry) entry;
+
+        String name = parser.getName();
+        row.setValue(name, XmlUtils.extractChildText(parser));
+    }
+
+    /* (non-JavaDoc)
+     * Callback to handle non-Atom data in the feed.
+     */
+    protected void handleExtraElementInFeed(Feed feed)
+            throws XmlPullParserException, IOException {
+        XmlPullParser parser = getParser();
+        if (!(feed instanceof ListFeed)) {
+            throw new IllegalArgumentException("Expected ListFeed!");
+        }
+        ListFeed listFeed = (ListFeed) feed;
+
+        String name = parser.getName();
+        if (!"link".equals(name)) {
+            return;
+        }
+
+        // lists store column data in the gsx namespace:
+        // <gsx:columnheader>data</gsx:columnheader>
+        // The columnheader tag names are the scrubbed values of the first row.
+        // We extract them all and store them as keys in a Map.
+        int numAttrs = parser.getAttributeCount();
+        String rel = null;
+        String href = null;
+        String attrName = null;
+        for (int i = 0; i < numAttrs; ++i) {
+            attrName = parser.getAttributeName(i);
+            if ("rel".equals(attrName)) {
+                rel = parser.getAttributeValue(i);
+            } else if ("href".equals(attrName)) {
+                href = parser.getAttributeValue(i);
+            }
+        }
+        if (!(StringUtils.isEmpty(rel) || StringUtils.isEmpty(href))) {
+            if (LIST_FEED_POST_REL.equals(rel)) {
+                listFeed.setEditUri(href);
+            }
+        }
+    }
+}