Move util classes to the latin/utils directory

Change-Id: I1c5b27c8edf231680edb8d96f63b9d04cfc6a6fa

1 files changed, 83 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/utils/XmlParseUtils.java b/java/src/com/android/inputmethod/latin/utils/XmlParseUtils.java
new file mode 100644
index 000000000..bdad16652
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/utils/XmlParseUtils.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin.utils;
+
+import android.content.res.TypedArray;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+
+public final class XmlParseUtils {
+    private XmlParseUtils() {
+        // This utility class is not publicly instantiable.
+    }
+
+    @SuppressWarnings("serial")
+    public static class ParseException extends XmlPullParserException {
+        public ParseException(final String msg, final XmlPullParser parser) {
+            super(msg + " at " + parser.getPositionDescription());
+        }
+    }
+
+    @SuppressWarnings("serial")
+    public static final class IllegalStartTag extends ParseException {
+        public IllegalStartTag(final XmlPullParser parser, final String tag, final String parent) {
+            super("Illegal start tag " + tag + " in " + parent, parser);
+        }
+    }
+
+    @SuppressWarnings("serial")
+    public static final class IllegalEndTag extends ParseException {
+        public IllegalEndTag(final XmlPullParser parser, final String tag, final String parent) {
+            super("Illegal end tag " + tag + " in " + parent, parser);
+        }
+    }
+
+    @SuppressWarnings("serial")
+    public static final class IllegalAttribute extends ParseException {
+        public IllegalAttribute(final XmlPullParser parser, final String tag,
+                final String attribute) {
+            super("Tag " + tag + " has illegal attribute " + attribute, parser);
+        }
+    }
+
+    @SuppressWarnings("serial")
+    public static final class NonEmptyTag extends ParseException{
+        public NonEmptyTag(final XmlPullParser parser, final String tag) {
+            super(tag + " must be empty tag", parser);
+        }
+    }
+
+    public static void checkEndTag(final String tag, final XmlPullParser parser)
+            throws XmlPullParserException, IOException {
+        if (parser.next() == XmlPullParser.END_TAG && tag.equals(parser.getName()))
+            return;
+        throw new NonEmptyTag(parser, tag);
+    }
+
+    public static void checkAttributeExists(final TypedArray attr, final int attrId,
+            final String attrName, final String tag, final XmlPullParser parser)
+                    throws XmlPullParserException {
+        if (attr.hasValue(attrId)) {
+            return;
+        }
+        throw new ParseException(
+                "No " + attrName + " attribute found in <" + tag + "/>", parser);
+    }
+}