ValueResourceParserpublic final class ValueResourceParser extends DefaultHandler | SAX handler to parser value resource files. |
| Fields Summary |
|---|
| private static final String | NODE_RESOURCES | | private static final String | NODE_ITEM | | private static final String | ATTR_NAME | | private static final String | ATTR_TYPE | | private static final String | ATTR_PARENT | | private static final String | RES_STYLE | | private static final String | RES_ATTR | | private static final String | DEFAULT_NS_PREFIX | | private static final int | DEFAULT_NS_PREFIX_LEN | | private boolean | inResources | | private int | mDepth | | private StyleResourceValue | mCurrentStyle | | private ResourceValue | mCurrentValue | | private IValueResourceRepository | mRepository | | private final boolean | mIsFramework |
| Constructors Summary |
|---|
public ValueResourceParser(IValueResourceRepository repository, boolean isFramework)
mRepository = repository;
mIsFramework = isFramework;
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| Methods Summary |
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| public void | characters(char[] ch, int start, int length)
if (mCurrentValue != null) {
String value = mCurrentValue.getValue();
if (value == null) {
mCurrentValue.setValue(new String(ch, start, length));
} else {
mCurrentValue.setValue(value + new String(ch, start, length));
}
}
| | public void | endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)
if (mCurrentValue != null) {
mCurrentValue.setValue(trimXmlWhitespaces(mCurrentValue.getValue()));
}
if (inResources && qName.equals(NODE_RESOURCES)) {
inResources = false;
} else if (mDepth == 2) {
mCurrentValue = null;
mCurrentStyle = null;
} else if (mDepth == 3) {
mCurrentValue = null;
}
mDepth--;
super.endElement(uri, localName, qName);
| | public void | startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes)
try {
mDepth++;
if (inResources == false && mDepth == 1) {
if (qName.equals(NODE_RESOURCES)) {
inResources = true;
}
} else if (mDepth == 2 && inResources == true) {
String type;
// if the node is <item>, we get the type from the attribute "type"
if (NODE_ITEM.equals(qName)) {
type = attributes.getValue(ATTR_TYPE);
} else {
// the type is the name of the node.
type = qName;
}
if (type != null) {
if (RES_ATTR.equals(type) == false) {
// get the resource name
String name = attributes.getValue(ATTR_NAME);
if (name != null) {
if (RES_STYLE.equals(type)) {
String parent = attributes.getValue(ATTR_PARENT);
mCurrentStyle = new StyleResourceValue(type, name, parent, mIsFramework);
mRepository.addResourceValue(type, mCurrentStyle);
} else {
mCurrentValue = new ResourceValue(type, name, mIsFramework);
mRepository.addResourceValue(type, mCurrentValue);
}
}
}
}
} else if (mDepth == 3 && mCurrentStyle != null) {
// get the resource name
String name = attributes.getValue(ATTR_NAME);
if (name != null) {
// the name can, in some cases, contain a prefix! we remove it.
if (name.startsWith(DEFAULT_NS_PREFIX)) {
name = name.substring(DEFAULT_NS_PREFIX_LEN);
}
mCurrentValue = new ResourceValue(null, name, mIsFramework);
mCurrentStyle.addItem(mCurrentValue);
}
}
} finally {
super.startElement(uri, localName, qName, attributes);
}
| | public static java.lang.String | trimXmlWhitespaces(java.lang.String value)
if (value == null) {
return null;
}
// look for carriage return and replace all whitespace around it by just 1 space.
int index;
while ((index = value.indexOf('\n")) != -1) {
// look for whitespace on each side
int left = index - 1;
while (left >= 0) {
if (Character.isWhitespace(value.charAt(left))) {
left--;
} else {
break;
}
}
int right = index + 1;
int count = value.length();
while (right < count) {
if (Character.isWhitespace(value.charAt(right))) {
right++;
} else {
break;
}
}
// remove all between left and right (non inclusive) and replace by a single space.
String leftString = null;
if (left >= 0) {
leftString = value.substring(0, left + 1);
}
String rightString = null;
if (right < count) {
rightString = value.substring(right);
}
if (leftString != null) {
value = leftString;
if (rightString != null) {
value += " " + rightString;
}
} else {
value = rightString != null ? rightString : "";
}
}
// now we un-escape the string
int length = value.length();
char[] buffer = value.toCharArray();
for (int i = 0 ; i < length ; i++) {
if (buffer[i] == '\\" && i + 1 < length) {
if (buffer[i+1] == 'u") {
if (i + 5 < length) {
// this is unicode char \u1234
int unicodeChar = Integer.parseInt(new String(buffer, i+2, 4), 16);
// put the unicode char at the location of the \
buffer[i] = (char)unicodeChar;
// offset the rest of the buffer since we go from 6 to 1 char
if (i + 6 < buffer.length) {
System.arraycopy(buffer, i+6, buffer, i+1, length - i - 6);
}
length -= 5;
}
} else {
if (buffer[i+1] == 'n") {
// replace the 'n' char with \n
buffer[i+1] = '\n";
}
// offset the buffer to erase the \
System.arraycopy(buffer, i+1, buffer, i, length - i - 1);
length--;
}
}
}
return new String(buffer, 0, length);
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