1 files changed, 99 insertions, 0 deletions
diff --git a/src/com/google/wireless/gdata/spreadsheets/parser/xml/XmlSpreadsheetsGDataParserFactory.java b/src/com/google/wireless/gdata/spreadsheets/parser/xml/XmlSpreadsheetsGDataParserFactory.java
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--- /dev/null
+++ b/src/com/google/wireless/gdata/spreadsheets/parser/xml/XmlSpreadsheetsGDataParserFactory.java
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+// Copyright 2007 The Android Open Source Project
+package com.google.wireless.gdata.spreadsheets.parser.xml;
+
+import com.google.wireless.gdata.client.GDataParserFactory;
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.parser.GDataParser;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.parser.xml.XmlParserFactory;
+import com.google.wireless.gdata.serializer.GDataSerializer;
+import com.google.wireless.gdata.spreadsheets.data.CellEntry;
+import com.google.wireless.gdata.spreadsheets.data.ListEntry;
+import com.google.wireless.gdata.spreadsheets.data.SpreadsheetEntry;
+import com.google.wireless.gdata.spreadsheets.data.WorksheetEntry;
+import com.google.wireless.gdata.spreadsheets.serializer.xml.XmlCellEntryGDataSerializer;
+import com.google.wireless.gdata.spreadsheets.serializer.xml.XmlListEntryGDataSerializer;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.InputStream;
+
+/**
+ * A GDataParserFactory capable of handling Spreadsheets.
+ */
+public class XmlSpreadsheetsGDataParserFactory implements GDataParserFactory {
+    /*
+     * @see GDataParserFactory
+     */
+    public XmlSpreadsheetsGDataParserFactory(XmlParserFactory xmlFactory) {
+        this.xmlFactory = xmlFactory;
+    }
+
+    /** Intentionally private. */
+    private XmlSpreadsheetsGDataParserFactory() {
+    }
+
+    /*
+     * Creates a parser for the indicated feed, assuming the default feed type.
+     * The default type is specified on {@link SpreadsheetsClient#DEFAULT_FEED}.
+     * 
+     * @param is The stream containing the feed to be parsed.
+     * @return A GDataParser capable of parsing the feed as the default type.
+     * @throws ParseException if the feed could not be parsed for any reason
+     */
+    public GDataParser createParser(InputStream is) throws ParseException {
+        // attempt a default
+        return createParser(SpreadsheetEntry.class, is);
+    }
+
+    /*
+     * Creates a parser of the indicated type for the indicated feed.
+     * 
+     * @param feedType The type of the feed; must be one of the constants on
+     *        {@link SpreadsheetsClient}.
+     * @return A parser capable of parsing the feed as the indicated type.
+     * @throws ParseException if the feed could not be parsed for any reason
+     */
+    public GDataParser createParser(Class entryClass, InputStream is)
+            throws ParseException {
+        try {
+            XmlPullParser xmlParser = xmlFactory.createParser();
+            if (entryClass == SpreadsheetEntry.class) {
+                return new XmlSpreadsheetsGDataParser(is, xmlParser);
+            } else if (entryClass == WorksheetEntry.class) {
+                return new XmlWorksheetsGDataParser(is, xmlParser);
+            } else if (entryClass == CellEntry.class) {
+                return new XmlCellsGDataParser(is, xmlParser);
+            } else if (entryClass == ListEntry.class) {
+                return new XmlListGDataParser(is, xmlParser);
+            } else {
+                throw new ParseException("Unrecognized feed requested.");
+            }
+        } catch (XmlPullParserException e) {
+            throw new ParseException("Failed to create parser", e);
+        }
+    }
+
+    /*
+     * Creates a serializer capable of handling the indicated entry.
+     * 
+     * @param The Entry to be serialized to an XML string.
+     * @return A GDataSerializer capable of handling the indicated entry.
+     * @throws IllegalArgumentException if Entry is not a supported type (which
+     *         currently includes only {@link ListEntry} and {@link CellEntry}.)
+     */
+    public GDataSerializer createSerializer(Entry entry) {
+        if (entry instanceof ListEntry) {
+            return new XmlListEntryGDataSerializer(xmlFactory, entry);
+        } else if (entry instanceof CellEntry) {
+            return new XmlCellEntryGDataSerializer(xmlFactory, entry);
+        } else {
+            throw new IllegalArgumentException(
+                    "Expected a ListEntry or CellEntry");
+        }
+    }
+
+    /** The XmlParserFactory to use to actually process XML streams. */
+    private XmlParserFactory xmlFactory;
+}