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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.xml; |
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package uk.ac.ukc.iscream.util; |
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//---IMPORTS--- |
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import java.io.*; |
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//---CONSTRUCTORS--- |
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// No-args constructor. Generally not used. |
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/** |
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* No-args constructor. Generally not used. |
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*/ |
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public XMLStringParser () { |
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this.packet = new XMLPacket(); |
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} |
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// Constructor for accepting a reference to an XMLPacket |
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/** |
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* Constructor for accepting a reference to an XMLPacket |
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*/ |
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public XMLStringParser (XMLPacket packet) { |
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this.packet = packet; |
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} |
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//---PUBLIC METHODS--- |
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// Accessor to the XMLPacket. |
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/** |
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* Accessor to the XMLPacket. |
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*/ |
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public XMLPacket getXMLPacket() { |
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return packet; |
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} |
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//System.out.println("XMLPacketParser - I just finished parsing an XML String."); |
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} |
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// Add each tag's attribute to the XMLPacket. |
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// Note that all attributes within an opening tag are |
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// stored as "someroot.sometag.attributes.attribute_name" |
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// E.g. If <packet> is the root node, then: |
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// <packet machine_name="raptor"> |
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// is stored as: |
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// "packet.attributes.machine_name" |
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// within the XMLPacket. |
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/** Add each tag's attribute to the XMLPacket. |
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* Note that all attributes within an opening tag are |
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* stored as "someroot.sometag.attributes.attribute_name" |
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* E.g. If <packet> is the root node, then: |
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* <packet machine_name="raptor"> |
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* is stored as: |
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* "packet.attributes.machine_name" |
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* within the XMLPacket. |
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*/ |
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public void startElement (String name, AttributeList attrs) throws SAXException { |
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indentLevel++; |
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tagList.add(name); |
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} |
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} |
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// When an XML element is finished with, we must remove |
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// the tag name from the tagList and decrement the indent |
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// level. |
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/** |
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* When an XML element is finished with, we must remove |
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* the tag name from the tagList and decrement the indent |
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* level. |
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*/ |
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public void endElement (String name) throws SAXException { |
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tagList.remove(tagList.size()-1); |
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indentLevel--; |
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} |
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// Any text falling within a pair of terminal tags must |
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// be added to the XMLPacket. Trim leading and trailing |
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// spaces and do not bother to add if there is no data |
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// specified within the tags. |
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/** |
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* Any text falling within a pair of terminal tags must |
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* be added to the XMLPacket. Trim leading and trailing |
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* spaces and do not bother to add if there is no data |
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* specified within the tags. |
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*/ |
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public void characters (char[] buf, int offset, int len) throws SAXException { |
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String s = new String(buf, offset, len); |
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if (!s.trim().equals("")) { |
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packet.addParam(getPath(), s); |
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} |
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packet.addParam(getPath(), s); |
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} |
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/** |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.ac.ukc.iscream.util.NameFormat class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
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*/ |
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public String toString() { |
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return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
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return FormatName.getName( |
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_name, |
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getClass().getName(), |
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REVISION); |
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} |
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//---PRIVATE METHODS--- |
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// Helpers ... |
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//=========================================================== |
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// Return the heirarchical string to be used as a key value |
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// in the XMLPacket. |
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/** |
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* Return the heirarchical string to be used as a key value |
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* in the XMLPacket. |
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*/ |
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private String getPath () { |
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String path = (String)tagList.get(0); |
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if (tagList.size() > 0) { |
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//---ATTRIBUTES--- |
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/** |
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* To keep track of our identation level |
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*/ |
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private int indentLevel = 0; |
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/** |
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* An ArrayList of tags |
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*/ |
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private ArrayList tagList = new ArrayList(); |
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/** |
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* A reference to the XMLPacket we are making |
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*/ |
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private XMLPacket packet; |
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/** |
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* This is the friendly identifier of the |
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* component this class is running in. |
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* eg, a Filter may be called "filter1", |
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* If this class does not have an owning |
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* component, a name from the configuration |
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* can be placed here. This name could also |
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* be changed to null for utility classes. |
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*/ |
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private String _name = null; |
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//---STATIC ATTRIBUTES--- |
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