Java Location.sourceName方法代码示例

import com.sun.jdi.Location; //导入方法依赖的package包/类
/**
 * Return a File cooresponding to the source of this location.
 * Return null if not available.
 */
File sourceFile(Location loc) {
    try {
        String filename = loc.sourceName();
        String refName = loc.declaringType().name();
        int iDot = refName.lastIndexOf('.');
        String pkgName = (iDot >= 0)? refName.substring(0, iDot+1) : "";
        String full = pkgName.replace('.', File.separatorChar) + filename;
        for (int i= 0; i < dirs.length; ++i) {
            File path = new File(dirs[i], full);
            if (path.exists()) {
                return path;
            }
        }
        return null;
    } catch (AbsentInformationException e) {
        return null;
    }
}
 

import com.sun.jdi.Location; //导入方法依赖的package包/类
protected void printLocation(SuspendContextImpl suspendContext) {
  try {
    Location location = suspendContext.getFrameProxy().location();
    String message = "paused at " + location.sourceName() + ":" + location.lineNumber();
    println(message, ProcessOutputTypes.SYSTEM);
  }
  catch (Throwable e) {
    addException(e);
  }
}
 

import com.sun.jdi.Location; //导入方法依赖的package包/类
private Types.Source convertDebuggerSourceToClient(Location location, IDebugAdapterContext context) throws URISyntaxException {
    final String fullyQualifiedName = location.declaringType().name();
    String sourceName = "";
    String relativeSourcePath = "";
    try {
        // When the .class file doesn't contain source information in meta data,
        // invoking Location#sourceName() would throw AbsentInformationException.
        sourceName = location.sourceName();
        relativeSourcePath = location.sourcePath();
    } catch (AbsentInformationException e) {
        String enclosingType = AdapterUtils.parseEnclosingType(fullyQualifiedName);
        sourceName = enclosingType.substring(enclosingType.lastIndexOf('.') + 1) + ".java";
        relativeSourcePath = enclosingType.replace('.', File.separatorChar) + ".java";
    }

    final String finalRelativeSourcePath = relativeSourcePath;
    // use a lru cache for better performance
    String uri = context.getSourceLookupCache().computeIfAbsent(fullyQualifiedName, key -> {
        String fromProvider = context.getProvider(ISourceLookUpProvider.class).getSourceFileURI(key, finalRelativeSourcePath);
        // avoid return null which will cause the compute function executed again
        return StringUtils.isBlank(fromProvider) ? "" : fromProvider;
    });

    if (!StringUtils.isBlank(uri)) {
        // The Source.path could be a file system path or uri string.
        if (uri.startsWith("file:")) {
            String clientPath = AdapterUtils.convertPath(uri, context.isDebuggerPathsAreUri(), context.isClientPathsAreUri());
            return new Types.Source(sourceName, clientPath, 0);
        } else {
            // If the debugger returns uri in the Source.path for the StackTrace response, VSCode client will try to find a TextDocumentContentProvider
            // to render the contents.
            // Language Support for Java by Red Hat extension has already registered a jdt TextDocumentContentProvider to parse the jdt-based uri.
            // The jdt uri looks like 'jdt://contents/rt.jar/java.io/PrintStream.class?=1.helloworld/%5C/usr%5C/lib%5C/jvm%5C/java-8-oracle%5C/jre%5C/
            // lib%5C/rt.jar%3Cjava.io(PrintStream.class'.
            return new Types.Source(sourceName, uri, 0);
        }
    } else {
        // If the source lookup engine cannot find the source file, then lookup it in the source directories specified by user.
        String absoluteSourcepath = AdapterUtils.sourceLookup(context.getSourcePaths(), relativeSourcePath);
        if (absoluteSourcepath != null) {
            return new Types.Source(sourceName, absoluteSourcepath, 0);
        } else {
            return null;
        }
    }
}
 

import com.sun.jdi.Location; //导入方法依赖的package包/类
public String getEventMessage(LocatableEvent event) {
  String exceptionName = (getQualifiedName() != null)? getQualifiedName() : CommonClassNames.JAVA_LANG_THROWABLE;
  String threadName    = null;
  if (event instanceof ExceptionEvent) {
    ExceptionEvent exceptionEvent = (ExceptionEvent)event;
    try {
      exceptionName = exceptionEvent.exception().type().name();
      threadName = exceptionEvent.thread().name();
    }
    catch (Exception ignore) {
    }
  }
  final Location location = event.location();
  final String locationQName = DebuggerUtilsEx.getLocationMethodQName(location);
  String locationFileName;
  try {
    locationFileName = location.sourceName();
  }
  catch (AbsentInformationException e) {
    locationFileName = "";
  }
  final int locationLine = Math.max(0, location.lineNumber());
  if (threadName != null) {
    return DebuggerBundle.message(
      "exception.breakpoint.console.message.with.thread.info", 
      exceptionName, 
      threadName,
      locationQName,
      locationFileName,
      locationLine
    );
  }
  else {
    return DebuggerBundle.message(
      "exception.breakpoint.console.message", 
      exceptionName,
      locationQName,
      locationFileName,
      locationLine
    );
  }
}