@Override
public synchronized void sendEvent(final XmlStreamEvent e) throws XMLStreamException, IOException {
//1.处理StartElementEvent
if (e instanceof StartElementEvent) {
this.activateStack.createStack();
StartElementEvent ee = (StartElementEvent) e;
//
int nsCount = ee.getNamespaceCount();
for (int i = 0; i < nsCount; i++) {
String prefix = ee.getNamespacePrefix(i);
String uri = ee.getNamespaceURI(i);
prefix = prefix == null ? "" : prefix;
NameSpace ns = this.activateStack.getNameSpace(prefix);
if (ns == null) {
//激活新的命名空间
this.activateStack.addNameSpace(prefix, new NameSpace(uri, "/"));
}
}
//生成当前节点的xpath（专属命名空间下的xpath）
String prefix = ee.getPrefix();
prefix = prefix == null ? "" : prefix;
NameSpace ns = this.activateStack.getNameSpace(prefix);
ns.appendXPath(ee.getElementName(), false);
this.issueEvent(e, this.activateStack);
//如果执行的是跳过则删除其加入的xpath，因为reader不会再发送其end事件。
if (e.isSkip() == true) {
ns.removeXPath();
}
return;
} else
//2.处理EndElementEvent
if (e instanceof EndElementEvent) {
EndElementEvent ee = (EndElementEvent) e;
NameSpace ns = this.activateStack.getNameSpace(ee.getPrefix());
this.issueEvent(e, this.activateStack);
ns.removeXPath();
this.activateStack.dropStack();
return;
} else
//3.处理AttributeEvent
if (e instanceof AttributeEvent) {
this.activateStack.createStack();
AttributeEvent ee = (AttributeEvent) e;
String prefix = ee.getName().getPrefix();
prefix = prefix == null ? "" : prefix;
if (prefix.equals("") == true) {
prefix = ee.getCurrentElement().getPrefix();
}
prefix = prefix == null ? "" : prefix;
//
NameSpace ns = this.activateStack.getNameSpace(prefix);
ns.appendXPath(ee.getElementName(), true);
this.issueEvent(e, this.activateStack);
ns.removeXPath();
this.activateStack.dropStack();
return;
} else