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java.lang.Objectorg.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler
public abstract class AbstractXmlReadHandler
A base class for implementing an XmlReadHandler
.
This class takes care of all the delegation management.
Constructor Summary | |
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protected |
AbstractXmlReadHandler()
Creates a new handler. |
Method Summary | |
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void |
characters(char[] ch,
int start,
int length)
This method is called to process the character data between element tags. |
protected java.util.Map |
deriveParseParameters()
Creates a working copy of the current parse state. |
protected void |
doneParsing()
Done parsing. |
void |
endElement(java.lang.String uri,
java.lang.String tagName)
This method is called at the end of an element. |
protected XmlReadHandler |
getHandlerForChild(java.lang.String uri,
java.lang.String tagName,
org.xml.sax.Attributes atts)
Returns the handler for a child element. |
org.xml.sax.Locator |
getLocator()
Returns the locator as provided by the XML parser. |
RootXmlReadHandler |
getRootHandler()
Returns the root handler for the parsing. |
java.lang.String |
getTagName()
Returns the tag name. |
java.lang.String |
getUri()
Returns the uri of the element. |
void |
init(RootXmlReadHandler rootHandler,
java.lang.String uri,
java.lang.String tagName)
Initialises the handler. |
protected boolean |
isSameNamespace(java.lang.String namespaceURI)
Checks whether the given url denotes the same namespace as the element's namespace. |
protected java.lang.Object |
performExternalParsing(java.lang.String file,
java.lang.Class targetClass)
Parses an external file using LibLoader and returns the parsed result as an object of type targetClass . |
protected java.lang.Object |
performExternalParsing(java.lang.String file,
java.lang.Class targetClass,
java.util.Map map)
Parses an external file using LibLoader and returns the parsed result as an object of type targetClass . |
void |
startElement(java.lang.String uri,
java.lang.String tagName,
org.xml.sax.Attributes attrs)
This method is called at the start of an element. |
protected void |
startParsing(org.xml.sax.Attributes attrs)
Starts parsing. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler |
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getObject |
Constructor Detail |
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protected AbstractXmlReadHandler()
Method Detail |
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public void init(RootXmlReadHandler rootHandler, java.lang.String uri, java.lang.String tagName)
init
in interface XmlReadHandler
rootHandler
- the root handler.tagName
- the tag name.uri
- the namespace uri.public final void startElement(java.lang.String uri, java.lang.String tagName, org.xml.sax.Attributes attrs) throws org.xml.sax.SAXException
startElement
in interface XmlReadHandler
tagName
- the tag name.attrs
- the attributes.uri
- the namespace uri.
org.xml.sax.SAXException
- if there is a parsing error.public void characters(char[] ch, int start, int length) throws org.xml.sax.SAXException
characters
in interface XmlReadHandler
ch
- the character buffer.start
- the start index.length
- the length.
org.xml.sax.SAXException
- if there is a parsing error.public final void endElement(java.lang.String uri, java.lang.String tagName) throws org.xml.sax.SAXException
endElement
in interface XmlReadHandler
tagName
- the tag name.uri
- the namespace uri.
org.xml.sax.SAXException
- if there is a parsing error.protected void startParsing(org.xml.sax.Attributes attrs) throws org.xml.sax.SAXException
attrs
- the attributes.
org.xml.sax.SAXException
- if there is a parsing error.protected void doneParsing() throws org.xml.sax.SAXException
org.xml.sax.SAXException
- if there is a parsing error.protected boolean isSameNamespace(java.lang.String namespaceURI)
namespaceURI
- the namespace that should be tested.
protected XmlReadHandler getHandlerForChild(java.lang.String uri, java.lang.String tagName, org.xml.sax.Attributes atts) throws org.xml.sax.SAXException
uri
- the URI of the namespace of the current element.tagName
- the tag name.atts
- the attributes.
org.xml.sax.SAXException
- if there is a parsing error.public java.lang.String getTagName()
public java.lang.String getUri()
public RootXmlReadHandler getRootHandler()
public org.xml.sax.Locator getLocator()
protected java.lang.Object performExternalParsing(java.lang.String file, java.lang.Class targetClass) throws ParseException, org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException
targetClass
. The file is given as relative pathname (relative to the current source file).
The current helper-methods are used as parse-parameters for the external parsing.
file
- the file to be parsed.targetClass
- the target type of the parse operation.
ParseException
- if parsing the result failed for some reason.
org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException
- if there was an IO error loading the resource.deriveParseParameters()
,
performExternalParsing(String, Class, Map)
protected java.lang.Object performExternalParsing(java.lang.String file, java.lang.Class targetClass, java.util.Map map) throws ParseException, org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException
targetClass
. The file is given as relative pathname (relative to the current source file).
The current helper-methods are used as parse-parameters for the external parsing.
file
- the file to be parsed.targetClass
- the target type of the parse operation.map
- the map of parse parameters.
ParseException
- if parsing the result failed for some reason.
org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException
- if there was an IO error loading the resource.deriveParseParameters()
protected java.util.Map deriveParseParameters()
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