I am trying to read current entity expansionDjdk.xml.entityExpansionLimit limit, but it is giving null.
I tried the following code
System.getProperty("Djdk.xml.entityExpansionLimit");
System.getProperty("jdk.xml.entityExpansionLimit");
System.getProperty("jdk.xml.entityExpansionLimit");
System.getProperty("-DentityExpansionLimit");
System.getProperty("-Djdk.xml.entityExpansionLimit");
System.getProperty("ENTITY_EXPANSION_LIMIT");
All are giving result as null
You run your program like
java Example -Djdk.xml.entityExpansionLimit=1234
and read this property like
System.getProperty("jdk.xml.entityExpansionLimit");
You can list out all properties and check its name:
Properties props = System.getProperties();
Enumeration keys = props.keys();
while (keys.hasMoreElements()) {
String key = (String)keys.nextElement();
String value = (String)props.get(key);
System.out.println(key + ": " + value);
}
If you can't see it, I think that property is not set before.
Hope this helps.
Related
I'm trying to add some Custom Properties to an existing document:
HWPFDocument document = new HWPFDocument(new FileInputStream(sourceFile));
DocumentSummaryInformation docSumInf = document.getDocumentSummaryInformation();
CustomProperties customProperties = docSumInf.getCustomProperties();
CustomProperty singleProp = null;
//...
singleProp = new CustomProperty();
singleProp.setName(entry.getKey());
singleProp.setType(Variant.VT_LPWSTR);
singleProp.setValue((String) entry.getValue());
//..
customProperties.put(entry.getKey(), singleProp);
docSumInf.setCustomProperties(customProperties);
return document;
However, the properties never make it to the file. I tried to
document.getDocumentSummaryInformation().getCustomProperties().putAll(customProperties);
I also tried
document.getDocumentSummaryInformation().getCustomProperties().put(entry.getKey(), singleProp);
System.out.println(document.getDocumentSummaryInformation().getCustomProperties().size() + " Elemente in Map");
in a loop. The printed size was allways one.
With the first attemp (docSumInf.setCustomProperties(customProperties);) I printed out customProperties before setting it to docSumInf. There where all new Properties I miss, as soon as I set them to the document summary.
I don't see what I am missing...
entry.getKey() = null
or entry.getKey() has common value for all CustomProperties in the map.
and because of that you have only one element in the map of CustomProperties.
You need to set non null values here
singleProp.setName(entry.getKey());
CustomProperty class represents custom properties in the document summary information stream. The difference to normal properties is that custom properties have an optional name. If the name is not null it will be maintained in the section's dictionary.
I am using JNA to read Windows event logs. I can get a fair amount of data out of each record but I can't quite get the field names.
To read logs I am doing
EventLogIterator iter = new EventLogIterator("Security");
while(iter.hasNext()) {
EventLogRecord record = iter.next();
System.out.println("Event ID: " + record.getEventId()
+ ", Event Type: " + record.getType()
+ ", Event Source: " + record.getSource());
String strings[] = record.getStrings();
for(String str : strings) {
System.out.println(str);
}
}
I can get data like the id, type, and source easily. Then I can get the list of strings which may be for SubjectUserSid, SubjectUserName, etc.
I've been trying to get the data that I want with the field names. Is there an easy way to extract the field names/headers for each of the strings from record.getStrings()? I noticed there is a byte[] data variable in the record. I have tried to read this but I haven't been able to get any useful information from it. I know I can get the data length and offset for certain variables which I think I could extract the data that I want that way but I was wondering if that was correct or if there was an easier way.
When using a directory-expression for an <int-file:outbound-gateway> endpoint, the method below is called on org.springframework.integration.file.FileWritingMessageHandler:
private File evaluateDestinationDirectoryExpression(Message<?> message) {
final File destinationDirectory;
final Object destinationDirectoryToUse = this.destinationDirectoryExpression.getValue(
this.evaluationContext, message);
if (destinationDirectoryToUse == null) {
throw new IllegalStateException(String.format("The provided " +
"destinationDirectoryExpression (%s) must not resolve to null.",
this.destinationDirectoryExpression.getExpressionString()));
}
else if (destinationDirectoryToUse instanceof String) {
final String destinationDirectoryPath = (String) destinationDirectoryToUse;
Assert.hasText(destinationDirectoryPath, String.format(
"Unable to resolve destination directory name for the provided Expression '%s'.",
this.destinationDirectoryExpression.getExpressionString()));
destinationDirectory = new File(destinationDirectoryPath);
}
else if (destinationDirectoryToUse instanceof File) {
destinationDirectory = (File) destinationDirectoryToUse;
} else {
throw new IllegalStateException(String.format("The provided " +
"destinationDirectoryExpression (%s) must be of type " +
"java.io.File or be a String.", this.destinationDirectoryExpression.getExpressionString()));
}
validateDestinationDirectory(destinationDirectory, this.autoCreateDirectory);
return destinationDirectory;
}
Based on this code I see that if the directory to use evaluates to a String, it uses that String to create a new java.io.File object.
Is there a reason that a ResourceLoader couldn't/shouldn't be used instead of directly creating a new file?
I ask because my expression was evaluating to a String of the form 'file://path/to/file/' which of course is an invalid path for the java.io.File(String) constructor. I had assumed that Spring would treat the String the same way as it treats the directory attribute on <int-file:outbound-gateway> and pass it through a ResourceLoader.
Excerpt from my configuration file:
<int-file:outbound-gateway
request-channel="inputChannel"
reply-channel="updateTable"
directory-expression="
'${baseDirectory}'
+
T(java.text.MessageFormat).format('${dynamicPathPattern}', headers['Id'])
"
filename-generator-expression="headers.filename"
delete-source-files="true"/>
Where baseDirectory is a property that changes per-environment of the form 'file://hostname/some/path/'
There's no particular reason that this is the case, it probably just wasn't considered at the time of implementation.
The request sounds reasonable to me and will benefit others (even though you have found a work-around), by providing simpler syntax. Please open an 'Improvement' JIRA issue; thanks.
While not directly answering the question, I wanted to post the workaround that I used.
In my XML configuration, I changed the directory-expression to evaluate to a file through the DefaultResourceLoader instead of a String.
So this is what my new configuration looked like:
<int-file:outbound-gateway
request-channel="inputChannel"
reply-channel="updateTable"
directory-expression=" new org.springframework.core.io.DefaultResourceLoader().getResource(
'${baseDirectory}'
+
T(java.text.MessageFormat).format('${dynamicPathPattern}', headers['Id'])).getFile()
"
filename-generator-expression="headers.filename"
delete-source-files="true"/>
I am trying to inspect a solr schema using LukeRequest. I am able to browse the schema using solr admin schema browser. However when I try to retrieve it using the following piece of code it returns an empty field info map
String url = "<host>:<port>/solr/";
SolrServer server = new HttpSolrServer(url);
LukeRequest luke = new LukeRequest();
luke.setShowSchema(false);
final LukeResponse process = luke.process(server);
final Map<String, FieldInfo> fieldInfo = process.getFieldInfo();
for(String key: fieldInfo.keySet()){
FieldInfo info = fieldInfo.get(key);
System.out.println(key + ":" + info.getType());
}
(the fieldInfo variable gets an empty map)
I am using solr 3.6
Strangely this has started to work once again, if I figure what had gone wrong I will update this question
Please try to change luke.setShowSchema(true) and than try it should work.
I'm sure this question will be silly or annoying on multiple levels....
I am using SVNKit in Java.
I want to get the list of files committed in a particular commit. I have the release ID. Normally I would run something like
svn log url/to/repository -qv -r12345
And I would get the list of commands as normal.
I can't puzzle out how to do a similar thing in SVNKit. Any tips? :)
final SvnOperationFactory svnOperationFactory = new SvnOperationFactory();
final SvnLog log = svnOperationFactory.createLog();
log.setSingleTarget(SvnTarget.fromURL(url));
log.addRange(SvnRevisionRange.create(SVNRevision.create(12345), SVNRevision.create(12345)));
log.setDiscoverChangedPaths(true);
final SVNLogEntry logEntry = log.run();
final Map<String,SVNLogEntryPath> changedPaths = logEntry.getChangedPaths();
for (Map.Entry<String, SVNLogEntryPath> entry : changedPaths.entrySet()) {
final SVNLogEntryPath svnLogEntryPath = entry.getValue();
System.out.println(svnLogEntryPath.getType() + " " + svnLogEntryPath.getPath() +
(svnLogEntryPath.getCopyPath() == null ?
"" : (" from " + svnLogEntryPath.getCopyPath() + ":" + svnLogEntryPath.getCopyRevision())));
}
If you want to run one log request for a revision range, you should use log.setReceiver() call with your receiver implemetation.