资源文件的读取

1.XMLParser

public class XMLParser {

protected Element elapp;

protected Document doc;

protected String filename;

public XMLParser(InputStream ins) {

elapp=null;

doc=null;

filename=null;

DocumentBuilderFactory xmlDocfactory = DocumentBuilderFactory.newInstance();

xmlDocfactory.setNamespaceAware(false);

xmlDocfactory.setValidating(false);

xmlDocfactory.setIgnoringElementContentWhitespace(true);

try {

DocumentBuilder db = xmlDocfactory.newDocumentBuilder();

doc = db.parse(ins);

elapp = doc.getDocumentElement();

} catch (Exception e) {

}

}

public String getValue(String sysname,String name)

{

String value=null;

Element child = getChildElement(getChildElement(sysname), name);

value=child==null?null:getElementValue(child);

return value;

}

private Element getChildElement(String childName)

{

return getChildElement(elapp,childName);

}

private synchronized Element getChildElement(Element parent,String childName)

{

if(parent!=null)

{

NodeList children=parent.getChildNodes();

int size=children.getLength();

for(int i=0;i<size;i++)

{

Node node=children.item(i);

if(node.getNodeType()==1)

{

Element element=(Element) node;

if(childName.equals(element.getNodeName()))

{

return element;

}

}

}

}

return null;

}

private synchronized String getElementValue(Element element)

{

NodeList nodes=element.getChildNodes();

if(nodes!=null)

{

StringBuffer sb=new StringBuffer();

for(int i=0;i<nodes.getLength();i++)

{

Node node=nodes.item(i);

if(node.getNodeType()==4 || node.getNodeType()==3)

{

sb.append(node.getNodeValue());

}

}

if(sb.length()>0)

{

return sb.toString();

}

}

return null;

}

public String getValue(String name)

{

String value = null;

Element child = getChildElement(name);

value = child == null ? null : getElementValue(child);

return value;

}

}