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*
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*
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
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*
* Modifications:
* If applicable, add the following below the License Header, with the fields
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*/
package org.glassfish.admin.rest.readers;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
/**
* @author Rajeshwar Patil
*/
public class XmlInputObject extends InputObject {
/**
* Construct a XmlInputObjectfrom a input stream.
* @param inputstream an input stream
* @exception InputException If there is a syntax error in the source
* input stream or a duplicate key.
*/
public XmlInputObject(InputStream inputstream) throws InputException, IOException {
this(readAsString(inputstream));
}
/**
* Construct a XmlInputObjectfrom a XML text string.
* @param source A XML text string
* @exception InputException If there is a syntax error in the source
* string or a duplicated key.
*/
public XmlInputObject(String source) throws InputException {
this(new XmlInputReader(source));
}
public XmlInputObject(XmlInputReader xmlReader) throws InputException {
this.xmlReader = xmlReader;
map = new HashMap();
}
/**
* Construct and returns a map of input key-value pairs
* @throws InputException If there is a syntax error in the source string
* or a duplicated key.
*/
@Override
public Map initializeMap() throws InputException {
while (xmlReader.more() && xmlReader.skipPast("<")) {
parse(xmlReader, this, null);
}
return map;
}
public Map getMap() throws InputException {
return map;
}
/**
* Scan the content following the named tag, attaching it to the context.
* @param x The XmlInputReader containing the source string.
* @param context The XmlInputObject that will include the new material.
* @param name The tag name.
* @return true if the close tag is processed.
* @throws InputException
*/
private static boolean parse(XmlInputReader reader, XmlInputObject context,
String name) throws InputException {
char character;
int i;
String n;
XmlInputObject subContext;
String string;
Object token;
// Test for and skip past these forms:
// <!-- ... --> <! ... > <![ ... ]]> <? ... ?>
// Report errors for these forms: <> <= <<
token = reader.nextToken();
// <!
if (BANG.equals(token) ) {
character = reader.next();
if (character == '-') {
if (reader.next() == '-') {
reader.skipPast("-->");
return false;
}
reader.back();
} else if (character == '[') {
token = reader.nextToken();
if ("CDATA".equals(token) ) {
if (reader.next() == '[') {
string = reader.nextCDATA();
if (string.length() > 0) {
context.put("content", string);
}
return false;
}
}
throw reader.error("Expected 'CDATA['");
}
i = 1;
do {
token = reader.nextMeta();
if (token == null) {
throw reader.error("Missing '>' after '<!'.");
} else if (LT.equals(token) ) {
i += 1;
} else if (GT.equals(token) ) {
i -= 1;
}
} while (i > 0);
return false;
} else if (QUEST.equals(token) ) {
// <?
reader.skipPast("?>");
return false;
} else if (SLASH.equals(token) ) {
// Close tag </
token = reader.nextToken();
if (name == null) {
throw reader.error("Mismatched close tag " + token);
}
if (!name.equals(token) ) {
throw reader.error("Mismatched " + name + " and " + token);
}
if (!GT.equals(reader.nextToken())) {
throw reader.error("Misshaped close tag");
}
return true;
} else if (token instanceof Character) {
throw reader.error("Misshaped tag");
// Open tag <
} else {
n = (String)token;
token = null;
subContext = new XmlInputObject(reader);
for (;;) {
if (token == null) {
token = reader.nextToken();
}
// attribute = value
if (token instanceof String) {
string = (String)token;
token = reader.nextToken();
if (EQ.equals(token)) {
token = reader.nextToken();
if (!(token instanceof String)) {
throw reader.error("Missing value");
}
subContext.put(string, XmlInputObject.stringToValue((String)token));
token = null;
} else {
subContext.put(string, "");
}
// Empty tag <.../>
} else if (SLASH.equals(token) ) {
if (!reader.nextToken().equals(GT)) {
throw reader.error("Misshaped tag");
}
context.putMap(n, subContext.getMap());
return false;
// Content, between <...> and </...>
} else if (GT.equals(token) ) {
for (;;) {
token = reader.nextContent();
if (token == null) {
if (n != null) {
throw reader.error("Unclosed tag " + n);
}
return false;
} else if (token instanceof String) {
string = (String)token;
if (string.length() > 0) {
subContext.put("content", XmlInputObject.stringToValue(string));
}
// Nested element
} else if (LT.equals(token) ) {
if (parse(reader, subContext, n)) {
if (subContext.length() == 0) {
context.put(n, "");
} else if (subContext.length() == 1 &&
subContext.get("content") != null) {
context.put(n, subContext.get("content"));
} else {
context.putMap(n, subContext.getMap());
}
return false;
}
}
}
} else {
throw reader.error("Misshaped tag");
}
}
}
}
/** The Character '&'. */
public static final Character AMP = Character.valueOf('&');
/** The Character '''. */
public static final Character APOS = Character.valueOf('\'');
/** The Character '!'. */
public static final Character BANG = Character.valueOf('!');
/** The Character '='. */
public static final Character EQ = Character.valueOf('=');
/** The Character '>'. */
public static final Character GT = Character.valueOf('>');
/** The Character '<'. */
public static final Character LT = Character.valueOf('<');
/** The Character '?'. */
public static final Character QUEST = Character.valueOf('?');
/** The Character '"'. */
public static final Character QUOT = Character.valueOf('"');
/** The Character '/'. */
public static final Character SLASH = Character.valueOf('/');
private XmlInputReader xmlReader;
}