1 files changed, 138 insertions, 0 deletions
diff --git a/subsonic-android/src/net/sourceforge/subsonic/androidapp/service/parser/AbstractParser.java b/subsonic-android/src/net/sourceforge/subsonic/androidapp/service/parser/AbstractParser.java
new file mode 100644
index 00000000..4ddff7e9
--- /dev/null
+++ b/subsonic-android/src/net/sourceforge/subsonic/androidapp/service/parser/AbstractParser.java
@@ -0,0 +1,138 @@
+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic.  If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package net.sourceforge.subsonic.androidapp.service.parser;
+
+import java.io.Reader;
+
+import org.xmlpull.v1.XmlPullParser;
+
+import android.content.Context;
+import android.util.Xml;
+import net.sourceforge.subsonic.androidapp.R;
+import net.sourceforge.subsonic.androidapp.domain.Version;
+import net.sourceforge.subsonic.androidapp.util.ProgressListener;
+import net.sourceforge.subsonic.androidapp.util.Util;
+
+/**
+ * @author Sindre Mehus
+ */
+public abstract class AbstractParser {
+
+    private final Context context;
+    private XmlPullParser parser;
+    private boolean rootElementFound;
+
+    public AbstractParser(Context context) {
+        this.context = context;
+    }
+
+    protected Context getContext() {
+        return context;
+    }
+
+    protected void handleError() throws Exception {
+        int code = getInteger("code");
+        String message;
+        switch (code) {
+            case 20:
+                message = context.getResources().getString(R.string.parser_upgrade_client);
+                break;
+            case 30:
+                message = context.getResources().getString(R.string.parser_upgrade_server);
+                break;
+            case 40:
+                message = context.getResources().getString(R.string.parser_not_authenticated);
+                break;
+            case 50:
+                message = context.getResources().getString(R.string.parser_not_authorized);
+                break;
+            default:
+                message = get("message");
+                break;
+        }
+        throw new SubsonicRESTException(code, message);
+    }
+
+    protected void updateProgress(ProgressListener progressListener, int messageId) {
+        if (progressListener != null) {
+            progressListener.updateProgress(messageId);
+        }
+    }
+
+    protected void updateProgress(ProgressListener progressListener, String message) {
+        if (progressListener != null) {
+            progressListener.updateProgress(message);
+        }
+    }
+
+    protected String getText() {
+        return parser.getText();
+    }
+
+    protected String get(String name) {
+        return parser.getAttributeValue(null, name);
+    }
+
+    protected boolean getBoolean(String name) {
+        return "true".equals(get(name));
+    }
+
+    protected Integer getInteger(String name) {
+        String s = get(name);
+        return s == null ? null : Integer.valueOf(s);
+    }
+
+    protected Long getLong(String name) {
+        String s = get(name);
+        return s == null ? null : Long.valueOf(s);
+    }
+
+    protected Float getFloat(String name) {
+        String s = get(name);
+        return s == null ? null : Float.valueOf(s);
+    }
+
+    protected void init(Reader reader) throws Exception {
+        parser = Xml.newPullParser();
+        parser.setInput(reader);
+        rootElementFound = false;
+    }
+
+    protected int nextParseEvent() throws Exception {
+        return parser.next();
+    }
+
+    protected String getElementName() {
+        String name = parser.getName();
+        if ("subsonic-response".equals(name)) {
+            rootElementFound = true;
+            String version = get("version");
+            if (version != null) {
+                Util.setServerRestVersion(context, new Version(version));
+            }
+        }
+        return name;
+    }
+
+    protected void validate() throws Exception {
+        if (!rootElementFound) {
+            throw new Exception(context.getResources().getString(R.string.background_task_parse_error));
+        }
+    }
+}
+\ No newline at end of file