org.xmlpull.v1.util

Class XmlPullUtil

java.lang.Object

org.xmlpull.v1.util.XmlPullUtil

public class XmlPullUtil
extends Object

Handy functions that combines XmlPull API into higher level functionality.

Author:

Aleksander Slominski, Naresh Bhatia

Field Summary

Fields

Modifier and Type	Field and Description
static String	XSI_NS

Method Summary

Methods

Modifier and Type	Method and Description
static String	getAttributeValue(XmlPullParser pp, String name) Return value of attribute with given name and no namespace.
static String	getPIData(XmlPullParser pp) Return everything past PITarget and S from Processing Instruction (PI) as defined in XML 1.0 Section 2.6 Processing Instructions [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
static String	getPITarget(XmlPullParser pp) Return PITarget from Processing Instruction (PI) as defined in XML 1.0 Section 2.6 Processing Instructions [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
static String	getRequiredAttributeValue(XmlPullParser pp, String namespace, String name) Read attribute value and return it or throw exception if current element does not have such attribute.
static boolean	matches(XmlPullParser pp, int type, String namespace, String name) Tests if the current event is of the given type and if the namespace and name match.
static void	nextEndTag(XmlPullParser pp) Call parser nextTag() and check that it is END_TAG, throw exception if not.
static void	nextEndTag(XmlPullParser pp, String namespace, String name) combine nextTag(); pp.require(XmlPullParser.END_TAG, namespace, name);
static void	nextStartTag(XmlPullParser pp) call parser nextTag() and check that it is START_TAG, throw exception if not.
static void	nextStartTag(XmlPullParser pp, String name) combine nextTag(); pp.require(XmlPullParser.START_TAG, null, name);
static void	nextStartTag(XmlPullParser pp, String namespace, String name) combine nextTag(); pp.require(XmlPullParser.START_TAG, namespace, name);
static String	nextText(XmlPullParser pp, String namespace, String name) Read text content of element ith given namespace and name (use null namespace do indicate that nemspace should not be checked)
static void	skipSubTree(XmlPullParser pp) Skip sub tree that is currently porser positioned on.
static void	writeSimpleElement(XmlSerializer serializer, String namespace, String elementName, String elementText) Writes a simple element such as johndoe.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

XSI_NS

public static final String XSI_NS

See Also:

Constant Field Values

Method Detail

getAttributeValue

public static String getAttributeValue(XmlPullParser pp,
                       String name)

Return value of attribute with given name and no namespace.

getPITarget

public static String getPITarget(XmlPullParser pp)
                          throws IllegalStateException

Return PITarget from Processing Instruction (PI) as defined in XML 1.0 Section 2.6 Processing Instructions [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'

Throws:

IllegalStateException

getPIData

public static String getPIData(XmlPullParser pp)
                        throws IllegalStateException

Return everything past PITarget and S from Processing Instruction (PI) as defined in XML 1.0 Section 2.6 Processing Instructions [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'

NOTE: if there is no PI data it returns empty string.

Throws:

IllegalStateException

skipSubTree

public static void skipSubTree(XmlPullParser pp)
                        throws XmlPullParserException,
                               IOException

Skip sub tree that is currently porser positioned on.
NOTE: parser must be on START_TAG and when funtion returns parser will be positioned on corresponding END_TAG

Throws:

XmlPullParserException

IOException

nextStartTag

public static void nextStartTag(XmlPullParser pp)
                         throws XmlPullParserException,
                                IOException

call parser nextTag() and check that it is START_TAG, throw exception if not.

Throws:

XmlPullParserException

IOException

nextStartTag

public static void nextStartTag(XmlPullParser pp,
                String name)
                         throws XmlPullParserException,
                                IOException

combine nextTag(); pp.require(XmlPullParser.START_TAG, null, name);

Throws:

XmlPullParserException

IOException

nextStartTag

public static void nextStartTag(XmlPullParser pp,
                String namespace,
                String name)
                         throws XmlPullParserException,
                                IOException

combine nextTag(); pp.require(XmlPullParser.START_TAG, namespace, name);

Throws:

XmlPullParserException

IOException

nextEndTag

public static void nextEndTag(XmlPullParser pp,
              String namespace,
              String name)
                       throws XmlPullParserException,
                              IOException

combine nextTag(); pp.require(XmlPullParser.END_TAG, namespace, name);

Throws:

XmlPullParserException

IOException

nextText

public static String nextText(XmlPullParser pp,
              String namespace,
              String name)
                       throws IOException,
                              XmlPullParserException

Read text content of element ith given namespace and name (use null namespace do indicate that nemspace should not be checked)

Throws:

IOException

XmlPullParserException

getRequiredAttributeValue

public static String getRequiredAttributeValue(XmlPullParser pp,
                               String namespace,
                               String name)
                                        throws IOException,
                                               XmlPullParserException

Read attribute value and return it or throw exception if current element does not have such attribute.

Throws:

IOException

XmlPullParserException

nextEndTag

public static void nextEndTag(XmlPullParser pp)
                       throws XmlPullParserException,
                              IOException

Call parser nextTag() and check that it is END_TAG, throw exception if not.

Throws:

XmlPullParserException

IOException

matches

public static boolean matches(XmlPullParser pp,
              int type,
              String namespace,
              String name)
                       throws XmlPullParserException

Tests if the current event is of the given type and if the namespace and name match. null will match any namespace and any name. If the test passes a true is returned otherwise a false is returned.

Throws:

XmlPullParserException

writeSimpleElement

public static void writeSimpleElement(XmlSerializer serializer,
                      String namespace,
                      String elementName,
                      String elementText)
                               throws IOException,
                                      XmlPullParserException

Writes a simple element such as johndoe. The namespace and elementText are allowed to be null. If elementText is null, an xsi:nil="true" will be added as an attribute.

Throws:

IOException

XmlPullParserException