Java Code Examples for java.lang.reflect.Field#toString()

ModuleFactory(String referenceModuleID, Class<? extends IModule> clazz) throws ModuleInitException {
	// NOTE: Instanciable only from ModuleRegistry
	this.clazz = clazz;
	this.referenceModuleID = referenceModuleID;
	
	// Determine configurable fields via reflection
	for(Field field : clazz.getFields()) {
		ModuleParameter cfg = field.getDeclaredAnnotation(ModuleParameter.class);
		if( cfg == null )
			continue;
		try {
			field.setAccessible(true);
		}
		catch(SecurityException e) {
			throw new ModuleInitException("Failed to acquire reflection access to field '" + field.toString() + "', annotated by @ModuleParameter.", e);
		}
		configurableFields.put(cfg.value(), field);
	}

	// Determine overrides
	overridableMethods.putAll(ModuleOverrideHandler.getOverrideMethodsFromClass(clazz, true));
}
 

public void doProcess(WSheet wSheet, Object obj, Field field, Annotation ann, AnnotationReader reader,
                      XLSBeansConfig config, List<NeedPostProcess> needPostProcess) throws Exception {

  IterateTables iterateTables = (IterateTables) ann;

  Class<?> fieldType = field.getType();

  // create multi-table objects.
  List<?> value = createTables(wSheet, iterateTables, reader, config, needPostProcess);
  if (List.class.isAssignableFrom(fieldType)) {
    field.set(obj, value);

  } else if (fieldType.isArray()) {
    Class<?> type = fieldType.getComponentType();
    Object array = Array.newInstance(type, value.size());
    for (int i = 0; i < value.size(); i++) {
      Array.set(array, i, value.get(i));
    }
    field.set(obj, array);

  } else {
    throw new XLSBeansException("Arguments of '" + field.toString() + "' is invalid.");
  }
}
 

public void doProcess(WSheet wSheet, Object obj, Field field, Annotation ann, AnnotationReader reader,
                      XLSBeansConfig config, List<NeedPostProcess> needPostProcess) throws Exception {

  IterateTables iterateTables = (IterateTables) ann;

  Class<?> fieldType = field.getType();

  // create multi-table objects.
  List<?> value = createTables(wSheet, iterateTables, reader, config, needPostProcess);
  if (List.class.isAssignableFrom(fieldType)) {
    field.set(obj, value);

  } else if (fieldType.isArray()) {
    Class<?> type = fieldType.getComponentType();
    Object array = Array.newInstance(type, value.size());
    for (int i = 0; i < value.size(); i++) {
      Array.set(array, i, value.get(i));
    }
    field.set(obj, array);

  } else {
    throw new XLSBeansException("Arguments of '" + field.toString() + "' is invalid.");
  }
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

private static boolean assertStaticClassVarsAreFromPackage() {
	//String packagename = System.getProperty("jawk.rtPackgeName", "org.jawk.jrt");
	String packagename = "org.jawk.jrt";
	if (packagename != null) {
		// use reflection to get all static Class definitions
		// and verify that they are members of the
		// runtime package
		Class c = AwkCompilerImpl.class;
		// foreach field in declared in the class...
		for (Field f : c.getDeclaredFields()) {
			int mod = f.getModifiers();
			// if a "private static final" member...
			if (       (mod & Modifier.PRIVATE) > 0
					&& (mod & Modifier.STATIC) > 0
					&& (mod & Modifier.FINAL) > 0
					&& f.getType() == Class.class)
			{
				try {
					// obtain the value of the field
					// and apply it here!
					Object o = f.get(null);
					Class cls = (Class) o;
					if (!cls.getPackage().getName().equals(packagename)) {
						throw new AssertionError("class " + c.toString() + " is not contained within '" + packagename + "' package. Field = " + f.toString());
					}
				} catch (IllegalAccessException iae) {
					throw new AssertionError(iae); // NOTE Thought there is an AssertionError#AssertionError(String, Throwable) ctor aswell, it was only introduced in Java 1.7, so we should not yet use it.
				}
			}
		}
	}
	// all's well
	return true;
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

private BlueOceanConfigImpl() {
    Properties properties = System.getProperties();
    for (Map.Entry<Object, Object> entry : properties.entrySet()) {
        String ks = entry.getKey() == null ? "" : entry.getKey().toString();
        if (ks.startsWith(BlueOceanConfig.FEATURE_PROPERTY_PREFIX)) {
            Object value = entry.getValue();
            String vs = value == null ? "" : value.toString();
            if ("true".equalsIgnoreCase(vs) || "false".equalsIgnoreCase(vs)) {
                value = Boolean.valueOf(vs);
            }
            config.put(ks.substring(BlueOceanConfig.FEATURE_PROPERTY_PREFIX.length()), value);
        }
    }
    for (Field f : BlueOceanConfig.class.getFields()) {
        if (Modifier.isStatic(f.getModifiers())
        && Modifier.isPublic(f.getModifiers())
        && f.getType() == String.class) {
            try {
                String featureName = (String)f.get(null);
                if (!BlueOceanConfig.FEATURE_PROPERTY_PREFIX.equals(featureName)
                && !config.containsKey(featureName)) {
                    config.put(featureName, Boolean.FALSE);
                }
            } catch (IllegalArgumentException | IllegalAccessException ex) {
                throw new RuntimeException("Unable to read field: " + f.toString(), ex);
            }
        }
    }
}
 

public Location getFieldLocation(final Field field) {
    return new Location() {

        @Override
        public String toString() {
            return field.toString();
        }
    };
}
 

protected FlagField<?> boundFlagField(Field field, Object declaredIn) {
  FlagField<?> flagField = null;
  if (!Flag.class.isAssignableFrom(field.getType())) {
    throw new RuntimeException(
        String.format(
            "Field(%s#%s) annotated with @FlagInfo but not a Flag.",
            field.getDeclaringClass().getCanonicalName(),
            field.getName()));
  }
  try {
    final boolean wasAccessible = field.isAccessible();
    if (!field.isAccessible()) {
      field.setAccessible(true);
    }
    flagField = (FlagField<?>) field.get(declaredIn);
    flagField.bind(field);
    FlagProperty property = propertySyncer.fieldPropertyAnnotation(field);
    if (property != null) {
      propertySyncer.handlePropertyAnnotaton(flagField, property);
    }
    if (!wasAccessible) {
      field.setAccessible(false);
    }
  } catch (IllegalAccessException exception) {
    // Should never happen because access is granted, but let's get a nice stack trace.
    throw new RuntimeException("Unexpected problem parsing Field " + field.toString(), exception);
  }
  return flagField;
}
 

public Object getClassField(final String className,
		final String classFieldName) throws Exception {
	final Class<?> clazz = this.classLoader.loadClass(className);
	final Field field = clazz.getField(classFieldName);
	if (!Modifier.isStatic(field.getModifiers())) {
		throw new RuntimeException(
				"Oops, field " + field.toString() + " is not static");
	}
	// get the value of field, as class field object == null
	final Object result = field.get(null);
	return result;
}
 

private void validateAnnotatedField(
    final Bin defaultBin,
    final Bin fieldBin,
    final Field field
) {
  //TODO

  final Bin bin = fieldBin == null ? defaultBin : fieldBin;
  if ((bin.type() == BinType.UNDEFINED
      && field.getType().isArray()
      || bin.type().name().endsWith("_ARRAY"))
      && bin.arraySizeExpr().isEmpty()) {
    throw new IllegalArgumentException(field.toString() + ": missing expression in Bin#arraySizeExpression");
  }
}
 

/**
 * Delete anything up to the last . (dot)
 * 
 * Example: 
 * Input: private static long javasmmr.zoowsome.models.animals.Cow.counter
 * Output: counter
 */
public String[] getStringFromFields(List<Field> fields) {
	String[] fieldsString = new String[fields.size()];
	for (int i = 0; i < fields.size(); i++) {
		Field f = fields.get(i);
		fieldsString[i] = f.toString();
		fieldsString[i] = fieldsString[i].replaceAll("\\w+(\\s+|\\.+)", "");
	}
	return fieldsString;
}
 

/**
 * Delete anything up to the last . (dot)
 * 
 * Example: 
 * Input: private static long javasmmr.zoowsome.models.animals.Cow.counter
 * Output: counter
 */
public String[] getStringFromFields(List<Field> fields) {
	String[] fieldsString = new String[fields.size()];
	for (int i = 0; i < fields.size(); i++) {
		Field f = fields.get(i);
		fieldsString[i] = f.toString();
		fieldsString[i] = fieldsString[i].replaceAll("\\w+(\\s+|\\.+)", "");
	}
	return fieldsString;
}
 

private Annotation[] getAnnotations(final Field field) {
    final String fieldName = field.toString();
    Annotation[] annotations = annotationCache.get(fieldName);
    if ( annotations == null ) {
        annotations = field.getAnnotations();
        annotationCache.put(fieldName, annotations);
    }
    return annotations;
}
 

public static final void findMetaData( Object object, int level, List<StringSearchResult> stringList,
                                       Object parentObject, Object grandParentObject ) {
  if ( ( object == null ) || level > 5 ) {
    return;
  }

  PluginRegistry registry = PluginRegistry.getInstance();

  if ( transformPluginPackages == null ) {
    transformPluginPackages = registry.getPluginPackages( TransformPluginType.class );
  }
  if ( jobEntryPluginPackages == null ) {
    jobEntryPluginPackages = registry.getPluginPackages( ActionPluginType.class );
  }

  Class<? extends Object> baseClass = object.getClass();
  Field[] fields = baseClass.getDeclaredFields();
  for ( int i = 0; i < fields.length; i++ ) {
    Field field = fields[ i ];

    boolean processThisOne = true;

    if ( ( field.getModifiers() & Modifier.FINAL ) > 0 ) {
      processThisOne = false;
    }
    if ( ( field.getModifiers() & Modifier.STATIC ) > 0 ) {
      processThisOne = false;
    }

    // Investigate only if we're dealing with a sanctioned package.
    // A sanctioned package is either the local package (org.apache.hop) or
    // a package of one of the plugins.
    //
    boolean sanctionedPackage = false;
    String fieldToString = field.toString();
    if ( fieldToString.indexOf( LOCAL_PACKAGE ) >= 0 ) {
      sanctionedPackage = true;
    }
    for ( int x = 0; x < JAVA_PACKAGES.length && !sanctionedPackage; x++ ) {
      if ( fieldToString.indexOf( JAVA_PACKAGES[ x ] ) >= 0 ) {
        sanctionedPackage = true;
      }
    }
    for ( int x = 0; x < transformPluginPackages.size() && !sanctionedPackage; x++ ) {
      if ( fieldToString.indexOf( transformPluginPackages.get( x ) ) >= 0 ) {
        sanctionedPackage = true;
      }
    }
    for ( int x = 0; x < jobEntryPluginPackages.size() && !sanctionedPackage; x++ ) {
      if ( fieldToString.indexOf( jobEntryPluginPackages.get( x ) ) >= 0 ) {
        sanctionedPackage = true;
      }
    }
    if ( !sanctionedPackage ) {
      processThisOne = false; // Stay in the sanctioned code-base.
    }

    // Dig into the metadata from here...
    //
    if ( processThisOne ) {
      try {
        Object obj = field.get( object );
        if ( obj != null ) {
          stringSearchInObject( obj, level, stringList, parentObject, grandParentObject, field );
        }
      } catch ( IllegalAccessException e ) {
        // OK, it's private, let's see if we can go there later on using
        // getters and setters...
        // fileName becomes: getFileName();
        // OK, how do we get the value now?
        try {

          Method method = findMethod( baseClass, field.getName() );
          if ( method != null ) {
            // String fullMethod =
            // baseClass.getName()+"."+method.getName()+"()";

            Object string = method.invoke( object, (Object[]) null );
            if ( string != null ) {
              stringSearchInObject( string, level, stringList, parentObject, grandParentObject, field );
            }
          }
        } catch ( Throwable ex ) {
          // Ignore this error silently. If we can't access the method there
          // is nothing you can do about it.
        }
      }
    }
  }
}