Java Groovys XmlParser忽略CDATA CR/CL
我想解析log4j生成的xml日志。xml中有一个可丢弃的节点(如果有的话)。此(多行、选项卡式)文本封装在CDATA标记中 这是整个文件的摘录:Java Groovys XmlParser忽略CDATA CR/CL,java,xml,groovy,log4j,Java,Xml,Groovy,Log4j,我想解析log4j生成的xml日志。xml中有一个可丢弃的节点(如果有的话)。此(多行、选项卡式)文本封装在CDATA标记中 这是整个文件的摘录: <log4j:event logger="org.codehaus.groovy.grails.web.errors.GrailsExceptionResolver" timestamp="1330083921521" level="ERROR" thread="http-8080-1"> <log4j:message><
<log4j:event logger="org.codehaus.groovy.grails.web.errors.GrailsExceptionResolver" timestamp="1330083921521" level="ERROR" thread="http-8080-1">
<log4j:message><![CDATA[Exception occurred when processing request: [GET] /test/log/show
Stacktrace follows:]]></log4j:message>
<log4j:throwable><![CDATA[org.xml.sax.SAXParseException: XML document structures must start and end within the same entity.
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1231)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at test.LogController$_closure2.doCall(LogController.groovy:21)
at test.LogController$_closure2.doCall(LogController.groovy)
at java.lang.Thread.run(Thread.java:662)
]]></log4j:throwable>
</log4j:event>
“可丢弃”字段包含所有文本,但不包含CR/LF
有人知道如何应对吗
感谢advcance…xml标准要求在解析过程中规范化空白
我不确定,但解析器可能有一个覆盖此行为的设置。否则,您可以预处理文件,将c数据段中的行尾替换为它们的xml实体等价物,然后对其进行解析。xml标准要求在解析过程中规范化空白
我不确定,但解析器可能有一个覆盖此行为的设置。否则,您可以对文件进行预处理,将c数据段中的行尾替换为它们的xml实体等价物,然后对其进行解析。我不想直接向您抛出代码,但它似乎按预期工作,并返回CRLFs
def xml = '''<log>
| <log4j:event logger="org.codehaus.groovy.grails.web.errors.GrailsExceptionResolver" timestamp="1330083921521" level="ERROR" thread="http-8080-1">
| <log4j:message><![CDATA[Exception occurred when processing request: [GET] /test/log/show
|Stacktrace follows:]]></log4j:message>
| <log4j:throwable><![CDATA[org.xml.sax.SAXParseException: XML document structures must start and end within the same entity.
| at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1231)
| at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
| at test.LogController$_closure2.doCall(LogController.groovy:21)
| at test.LogController$_closure2.doCall(LogController.groovy)
| at java.lang.Thread.run(Thread.java:662)
|]]></log4j:throwable>
| </log4j:event>
|</log>'''.stripMargin()
class LogEntry {
def level
def message
def thread
def logger
def timestamp
def throwable
String toString() {
"""EVENT:
| level : $level
| message : $message
| thread : $thread
| logger : $logger
| ts : $timestamp
| thrown : $throwable""".stripMargin()
}
}
def parser = new XmlParser(false, false).parseText( xml )
def entries = parser.'log4j:event'.collect { event ->
new LogEntry().with {
level = event.@level
message = event.'log4j:message'.text()
thread = event.@thread
logger = event.@logger
timestamp = new Date( event.@timestamp as long )
throwable = event.'log4j:throwable'?.text() ?: ''
it
}
}
entries.each {
println it
}
里面有CRLF字符,它们应该在哪里
这是与Groovy 1.8.6 btw。。。你用的是什么版本?你能升级后再试一次吗?我讨厌向你扔代码,但它似乎能按预期工作并返回CRLFs
def xml = '''<log>
| <log4j:event logger="org.codehaus.groovy.grails.web.errors.GrailsExceptionResolver" timestamp="1330083921521" level="ERROR" thread="http-8080-1">
| <log4j:message><![CDATA[Exception occurred when processing request: [GET] /test/log/show
|Stacktrace follows:]]></log4j:message>
| <log4j:throwable><![CDATA[org.xml.sax.SAXParseException: XML document structures must start and end within the same entity.
| at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1231)
| at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
| at test.LogController$_closure2.doCall(LogController.groovy:21)
| at test.LogController$_closure2.doCall(LogController.groovy)
| at java.lang.Thread.run(Thread.java:662)
|]]></log4j:throwable>
| </log4j:event>
|</log>'''.stripMargin()
class LogEntry {
def level
def message
def thread
def logger
def timestamp
def throwable
String toString() {
"""EVENT:
| level : $level
| message : $message
| thread : $thread
| logger : $logger
| ts : $timestamp
| thrown : $throwable""".stripMargin()
}
}
def parser = new XmlParser(false, false).parseText( xml )
def entries = parser.'log4j:event'.collect { event ->
new LogEntry().with {
level = event.@level
message = event.'log4j:message'.text()
thread = event.@thread
logger = event.@logger
timestamp = new Date( event.@timestamp as long )
throwable = event.'log4j:throwable'?.text() ?: ''
it
}
}
entries.each {
println it
}
里面有CRLF字符,它们应该在哪里
这是与Groovy 1.8.6 btw。。。你用的是什么版本?你能升级并重试吗?你有一个小的XML示例吗?我编辑了这篇文章以展示一个小示例…你有一个小的XML示例吗?我编辑了这篇文章以展示一个小示例…-1。XML标准不要求规范化除属性中的空格外的空格。-1。XML标准不要求规范化除了attributes.Hm中的空白。是的,在工作中我使用1.7.10(在Grails上)。用1.8.6测试它,它按预期工作。好的。似乎在我的控制器和视图之间,我错过了转换选项卡等…嗯。是的,在工作中我使用1.7.10(在Grails上)。用1.8.6测试它,它按预期工作。好的。似乎在我的控制器和视图之间,我错过了转换选项卡等。。。
EVENT:
level : ERROR
message : Exception occurred when processing request: [GET] /test/log/show
Stacktrace follows:
thread : http-8080-1
logger : org.codehaus.groovy.grails.web.errors.GrailsExceptionResolver
ts : Fri Feb 24 11:45:21 GMT 2012
thrown : org.xml.sax.SAXParseException: XML document structures must start and end within the same entity.
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1231)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at test.LogController$_closure2.doCall(LogController.groovy:21)
at test.LogController$_closure2.doCall(LogController.groovy)
at java.lang.Thread.run(Thread.java:662)