Java Context类代码示例

import ch.qos.logback.core.Context; //导入依赖的package包/类
@Test
public void testDefaultValues() {
    final Context mockContext = mock(Context.class);

    final PutLogEventsResult mockResult = mock(PutLogEventsResult.class);
    when(mockResult.getNextSequenceToken()).thenReturn("2");

    final AWSLogs mockAwsLogs = mock(AWSLogs.class);
    when(mockAwsLogs.putLogEvents(any())).thenReturn(mockResult);

    final CloudWatchAppender appender = new CloudWatchAppender();
    appender.setContext(mockContext);
    appender.setAwsLogs(mockAwsLogs);
    appender.start();
    appender.doAppend(new LoggingEvent());
    appender.stop();
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
@Test
public void testAlreadyExists() {
    final Context mockContext = mock(Context.class);

    final PutLogEventsResult mockResult = mock(PutLogEventsResult.class);
    when(mockResult.getNextSequenceToken()).thenReturn("2");

    final AWSLogs mockAwsLogs = mock(AWSLogs.class);
    when(mockAwsLogs.createLogGroup(any())).thenThrow(ResourceAlreadyExistsException.class);
    when(mockAwsLogs.createLogStream(any())).thenThrow(ResourceAlreadyExistsException.class);
    when(mockAwsLogs.putLogEvents(any())).thenReturn(mockResult);

    final CloudWatchAppender appender = new CloudWatchAppender();
    appender.setContext(mockContext);
    appender.setAwsLogs(mockAwsLogs);
    appender.start();
    appender.doAppend(new LoggingEvent());
    appender.stop();
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
/**
 * Returns a map where the default converter map is merged with the map
 * contained in the context.
 */
public Map<String, String> getEffectiveConverterMap() {
  Map<String, String> effectiveMap = new HashMap<String, String>();

  // add the least specific map fist
  Map<String, String> defaultMap = getDefaultConverterMap();
  if (defaultMap != null) {
    effectiveMap.putAll(defaultMap);
  }

  // contextMap is more specific than the default map
  Context context = getContext();
  if (context != null) {
    @SuppressWarnings("unchecked")
    Map<String, String> contextMap = (Map<String, String>) context
        .getObject(CoreConstants.PATTERN_RULE_REGISTRY);
    if (contextMap != null) {
      effectiveMap.putAll(contextMap);
    }
  }
  // set the most specific map last
  effectiveMap.putAll(instanceConverterMap);
  return effectiveMap;
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
/**
 * Print the contents of the context status, but only if they contain
 * warnings or errors occurring later then the threshold.
 *
 * @param context
 */
public static void printInCaseOfErrorsOrWarnings(Context context, long threshold) {
  if (context == null) {
    throw new IllegalArgumentException("Context argument cannot be null");
  }

  StatusManager sm = context.getStatusManager();
  if (sm == null) {
    ps.println("WARN: Context named \"" + context.getName()
        + "\" has no status manager");
  } else {
    StatusUtil statusUtil = new StatusUtil(context);
    if (statusUtil.getHighestLevel(threshold) >= ErrorStatus.WARN) {
      print(sm, threshold);
    }
  }
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
/**
 * Print the contents of the context statuses, but only if they contain
 * errors.
 *
 * @param context
 */
public static void printIfErrorsOccured(Context context) {
  if (context == null) {
    throw new IllegalArgumentException("Context argument cannot be null");
  }

  StatusManager sm = context.getStatusManager();
  if (sm == null) {
    ps.println("WARN: Context named \"" + context.getName()
        + "\" has no status manager");
  } else {
    StatusUtil statusUtil = new StatusUtil(context);
    if (statusUtil.getHighestLevel(0) == ErrorStatus.ERROR) {
      print(sm);
    }
  }
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
/**
 * Returns a map where the default converter map is merged with the map
 * contained in the context.
 */
public Map<String, String> getEffectiveConverterMap() {
  Map<String, String> effectiveMap = new HashMap<String, String>();

  // add the least specific map fist
  Map<String, String> defaultMap = getDefaultConverterMap();
  if (defaultMap != null) {
    effectiveMap.putAll(defaultMap);
  }

  // contextMap is more specific than the default map
  Context context = getContext();
  if (context != null) {
    @SuppressWarnings("unchecked")
    Map<String, String> contextMap = (Map<String, String>) context
        .getObject(CoreConstants.PATTERN_RULE_REGISTRY);
    if (contextMap != null) {
      effectiveMap.putAll(contextMap);
    }
  }
  return effectiveMap;
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
public Fruit buildFruit() {
  
  Context context = new ContextBase();
  this.fruit = null;
  context.putProperty("fruitKey", "orange-"+count);
  // for next round
  count++;
  FruitConfigurator fruitConfigurator = new FruitConfigurator(this);
  fruitConfigurator.setContext(context);
  try {
    fruitConfigurator.doConfigure(eventList);
  } catch(JoranException je) {
    je.printStackTrace();
  }
  return fruit;
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
  Context context = new ContextBase();

  Map<ElementSelector, Action> ruleMap = new HashMap<ElementSelector, Action>();

  // we start with the rule for the top-most (root) element
  ruleMap.put(new ElementSelector("*/foo"), new NOPAction());

  // Add an implicit action. 
  List<ImplicitAction> iaList = new ArrayList<ImplicitAction>();
  iaList.add(new PrintMeImplicitAction());
  SimpleConfigurator simpleConfigurator = new SimpleConfigurator(ruleMap,
      iaList); 

  // link the configurator with its context
  simpleConfigurator.setContext(context);

  simpleConfigurator.doConfigure(args[0]);
  StatusPrinter.printInCaseOfErrorsOrWarnings(context);
  
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
public static void main(String[] args) throws Exception {

    Context context = new ContextBase();

    Map<ElementSelector, Action> ruleMap = new HashMap<ElementSelector, Action>();

    // we start with the rule for the top-most (root) element
    ruleMap.put(new ElementSelector("*/computation"), new ComputationAction1());

    // Associate "/new-rule" pattern with NewRuleAction from the
    // org.apache.joran.action package.
    // 
    // We will let the XML file to teach the Joran interpreter about new rules
    ruleMap.put(new ElementSelector("/computation/newRule"), new NewRuleAction());

    SimpleConfigurator simpleConfigurator = new SimpleConfigurator(ruleMap);
    // link the configurator with its context
    simpleConfigurator.setContext(context);

    simpleConfigurator.doConfigure(args[0]);

    // Print any errors that might have occured.
    StatusPrinter.printInCaseOfErrorsOrWarnings(context);
  }
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
  Map<ElementSelector, Action> ruleMap = new HashMap<ElementSelector, Action>();
 
  
  // Note the wild card character '*', in the paterns, signifying any level 
  // of nesting.
  ruleMap.put(new ElementSelector("*/computation"), new ComputationAction2());

  ruleMap.put(new ElementSelector("*/computation/literal"), new LiteralAction());
  ruleMap.put(new ElementSelector("*/computation/add"), new AddAction());
  ruleMap.put(new ElementSelector("*/computation/multiply"), new MultiplyAction());
  
  Context context = new ContextBase();
  SimpleConfigurator simpleConfigurator = new SimpleConfigurator(ruleMap);
  // link the configurator with its context
  simpleConfigurator.setContext(context);

  try {
    simpleConfigurator.doConfigure(args[0]);
  } catch (JoranException e) {
    // Print any errors that might have occured.
    StatusPrinter.print(context);
  }
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
  Context context = new ContextBase();

  Map<ElementSelector, Action> ruleMap = new HashMap<ElementSelector, Action>();

  // Associate "/computation" pattern with ComputationAction1
  ruleMap.put(new ElementSelector("/computation"), new ComputationAction1());

  // Other associations
  ruleMap.put(new ElementSelector("/computation/literal"), new LiteralAction());
  ruleMap.put(new ElementSelector("/computation/add"), new AddAction());
  ruleMap.put(new ElementSelector("/computation/multiply"), new MultiplyAction());

  SimpleConfigurator simpleConfigurator = new SimpleConfigurator(ruleMap);
  // link the configurator with its context
  simpleConfigurator.setContext(context);

  simpleConfigurator.doConfigure(args[0]);
  // Print any errors that might have occured.
  StatusPrinter.print(context);
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
@Override
public Appender<ILoggingEvent> buildAppender(Context logcingContext, String fileName) throws JoranException {
    // first sets up the paterns for log layout
    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    encoder.setPattern(logTemplate);
    encoder.setContext(logcingContext);
    encoder.start();
    // then create a file appender for the given filename
    FileAppender<ILoggingEvent> appender = new FileAppender<ILoggingEvent>();
    appender.setContext(logcingContext);
    appender.setAppend(false);
    appender.setFile(logFolderName + "/" + fileName + ".log");
    appender.setEncoder(encoder);
    appender.start();

    return appender;
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
@Override
public void setContext(Context context) {
    super.setContext(context);
    final String hostname = context.getProperty(CoreConstants.HOSTNAME_KEY);
    if (hostname == null) {
        addError("Hostname could not be found in context. HostNamePartitioningStrategy will not work.");
    } else {
        hostnameHash = ByteBuffer.allocate(4).putInt(hostname.hashCode()).array();
    }
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
@Override
public void setContext(Context context) {
    super.setContext(context);
    final String hostname = context.getProperty(CoreConstants.CONTEXT_NAME_KEY);
    if (hostname == null) {
        addError("Hostname could not be found in context. HostNamePartitioningStrategy will not work.");
    } else {
        contextNameHash = ByteBuffer.allocate(4).putInt(hostname.hashCode()).array();
    }
}
 

import ch.qos.logback.core.Context; //导入依赖的package包/类
@Override
public void setContext(Context context) {
    super.setContext(context);

    this.host = SysUtil.host;
    this.app = context.getName();
}