Apply Activiti code style

activiti-engine/src/main/java/org/activiti/engine/impl/el/VariableScopeElResolver.java

 /* Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -28,89 +28,103 @@ import org.activiti.engine.impl.persistence.entity.VariableInstance;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-
-
 /**
- * Implementation of an {@link ELResolver} that resolves expressions with the process variables of a given {@link VariableScope} as context. <br>
- * Also exposes the currently logged in username to be used in expressions (if any)
+ * Implementation of an {@link ELResolver} that resolves expressions with the
+ * process variables of a given {@link VariableScope} as context. <br>
+ * Also exposes the currently logged in username to be used in expressions (if
+ * any)
+ * 
+ * 
  * 
-
-
  */
 public class VariableScopeElResolver extends ELResolver {
 
-  public static final String EXECUTION_KEY = "execution";
-  public static final String TASK_KEY = "task";
-  public static final String LOGGED_IN_USER_KEY = "authenticatedUserId";
-
-  protected VariableScope variableScope;
-
-  public VariableScopeElResolver(VariableScope variableScope) {
-    this.variableScope = variableScope;
-  }
-
-  public Object getValue(ELContext context, Object base, Object property) {
-
-    if (base == null) {
-      String variable = (String) property; // according to javadoc, can only be a String
-
-      if ((EXECUTION_KEY.equals(property) && variableScope instanceof ExecutionEntity) || (TASK_KEY.equals(property) && variableScope instanceof TaskEntity)) {
-        context.setPropertyResolved(true);
-        return variableScope;
-      } else if (EXECUTION_KEY.equals(property) && variableScope instanceof TaskEntity) {
-        context.setPropertyResolved(true);
-        return ((TaskEntity) variableScope).getExecution();
-      } else if (LOGGED_IN_USER_KEY.equals(property)) {
-        context.setPropertyResolved(true);
-        return Authentication.getAuthenticatedUserId();
-      } else {
-        if (variableScope.hasVariable(variable)) {
-          context.setPropertyResolved(true); // if not set, the next elResolver in the CompositeElResolver will be called
-          VariableInstance variableInstance = variableScope.getVariableInstance(variable);
-          Object value = variableInstance.getValue();
-          if ( ("json".equals(variableInstance.getTypeName()) || "longJson".equals(variableInstance.getTypeName())) && (value instanceof JsonNode) && ((JsonNode)value).isArray() ) {
-            return Context.getProcessEngineConfiguration().getObjectMapper().convertValue(value, List.class);
-          } else {
-            return value;
-          }
-        }
-      }
-    }
-
-    // property resolution (eg. bean.value) will be done by the
-    // BeanElResolver (part of the CompositeElResolver)
-    // It will use the bean resolved in this resolver as base.
-
-    return null;
-  }
-
-  public boolean isReadOnly(ELContext context, Object base, Object property) {
-    if (base == null) {
-      String variable = (String) property;
-      return !variableScope.hasVariable(variable);
-    }
-    return true;
-  }
-
-  public void setValue(ELContext context, Object base, Object property, Object value) {
-    if (base == null) {
-      String variable = (String) property;
-      if (variableScope.hasVariable(variable)) {
-        variableScope.setVariable(variable, value);
-      }
-    }
-  }
-
-  public Class<?> getCommonPropertyType(ELContext arg0, Object arg1) {
-    return Object.class;
-  }
-
-  public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext arg0, Object arg1) {
-    return null;
-  }
-
-  public Class<?> getType(ELContext arg0, Object arg1, Object arg2) {
-    return Object.class;
-  }
+	public static final String EXECUTION_KEY = "execution";
+	public static final String TASK_KEY = "task";
+	public static final String LOGGED_IN_USER_KEY = "authenticatedUserId";
+
+	protected VariableScope variableScope;
+
+	public VariableScopeElResolver(VariableScope variableScope) {
+		this.variableScope = variableScope;
+	}
+
+	@Override
+	public Object getValue(ELContext context, Object base, Object property) {
+
+		if (base == null) {
+			String variable = (String) property; // according to javadoc, can
+													// only be a String
+
+			if ((EXECUTION_KEY.equals(property) && variableScope instanceof ExecutionEntity)
+					|| (TASK_KEY.equals(property) && variableScope instanceof TaskEntity)) {
+				context.setPropertyResolved(true);
+				return variableScope;
+			} else if (EXECUTION_KEY.equals(property) && variableScope instanceof TaskEntity) {
+				context.setPropertyResolved(true);
+				return ((TaskEntity) variableScope).getExecution();
+			} else if (LOGGED_IN_USER_KEY.equals(property)) {
+				context.setPropertyResolved(true);
+				return Authentication.getAuthenticatedUserId();
+			} else {
+				if (variableScope.hasVariable(variable)) {
+					context.setPropertyResolved(true); // if not set, the next
+														// elResolver in the
+														// CompositeElResolver
+														// will be called
+					VariableInstance variableInstance = variableScope.getVariableInstance(variable);
+					Object value = variableInstance.getValue();
+					if (("json".equals(variableInstance.getTypeName())
+							|| "longJson".equals(variableInstance.getTypeName())) && (value instanceof JsonNode)
+							&& ((JsonNode) value).isArray()) {
+						return Context.getProcessEngineConfiguration().getObjectMapper().convertValue(value,
+								List.class);
+					} else {
+						return value;
+					}
+				}
+			}
+		}
+
+		// property resolution (eg. bean.value) will be done by the
+		// BeanElResolver (part of the CompositeElResolver)
+		// It will use the bean resolved in this resolver as base.
+
+		return null;
+	}
+
+	@Override
+	public boolean isReadOnly(ELContext context, Object base, Object property) {
+		if (base == null) {
+			String variable = (String) property;
+			return !variableScope.hasVariable(variable);
+		}
+		return true;
+	}
+
+	@Override
+	public void setValue(ELContext context, Object base, Object property, Object value) {
+		if (base == null) {
+			String variable = (String) property;
+			if (variableScope.hasVariable(variable)) {
+				variableScope.setVariable(variable, value);
+			}
+		}
+	}
+
+	@Override
+	public Class<?> getCommonPropertyType(ELContext arg0, Object arg1) {
+		return Object.class;
+	}
+
+	@Override
+	public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext arg0, Object arg1) {
+		return null;
+	}
+
+	@Override
+	public Class<?> getType(ELContext arg0, Object arg1, Object arg2) {
+		return Object.class;
+	}
 
 }