| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| ******************************************************************************/ |
| package org.apache.olingo.odata2.core; |
| |
| import java.lang.management.ManagementFactory; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import org.apache.olingo.odata2.api.ODataDebugCallback; |
| import org.apache.olingo.odata2.api.ODataService; |
| import org.apache.olingo.odata2.api.ODataServiceFactory; |
| import org.apache.olingo.odata2.api.exception.ODataException; |
| import org.apache.olingo.odata2.api.processor.ODataContext; |
| import org.apache.olingo.odata2.api.processor.ODataRequest; |
| import org.apache.olingo.odata2.api.uri.PathInfo; |
| |
| /** |
| * Context. |
| */ |
| public class ODataContextImpl implements ODataContext { |
| |
| private static final String ODATA_BATCH_PARENT_CONTEXT = "~odataBatchParentContext"; |
| private static final String ODATA_REQUEST = "~odataRequest"; |
| private static final String DEBUG_MODE = "~debugMode"; |
| private static final String SERVICE = "~service"; |
| private static final String SERVICE_FACTORY = "~serviceFactory"; |
| private static final String PATH_INFO = "~pathInfo"; |
| private static final String RUNTIME_MEASUREMENTS = "~runtimeMeasurements"; |
| private static final String HTTP_METHOD = "~httpMethod"; |
| |
| private Map<String, Object> parameterTable = new HashMap<String, Object>(); |
| |
| private List<Locale> acceptableLanguages; |
| |
| public ODataContextImpl(final ODataRequest request, final ODataServiceFactory factory) { |
| setServiceFactory(factory); |
| setRequest(request); |
| setPathInfo(request.getPathInfo()); |
| setHttpMethod(request.getHttpMethod()); |
| setAcceptableLanguages(request.getAcceptableLanguages()); |
| setDebugMode(checkDebugMode(request.getQueryParameters())); |
| } |
| |
| @Override |
| public void setParameter(final String name, final Object value) { |
| parameterTable.put(name, value); |
| } |
| |
| @Override |
| public void removeParameter(final String name) { |
| parameterTable.remove(name); |
| } |
| |
| @Override |
| public Object getParameter(final String name) { |
| return parameterTable.get(name); |
| } |
| |
| @Override |
| public boolean isInDebugMode() { |
| return getParameter(DEBUG_MODE) != null && (Boolean) getParameter(DEBUG_MODE); |
| } |
| |
| @Override |
| public void setDebugMode(final boolean debugMode) { |
| setParameter(DEBUG_MODE, debugMode); |
| } |
| |
| public void setService(final ODataService service) { |
| setParameter(SERVICE, service); |
| } |
| |
| @Override |
| public ODataService getService() throws ODataException { |
| return (ODataService) getParameter(SERVICE); |
| } |
| |
| public void setPathInfo(final PathInfo uriInfo) { |
| setParameter(PATH_INFO, uriInfo); |
| } |
| |
| @Override |
| public PathInfo getPathInfo() throws ODataException { |
| return (PathInfo) getParameter(PATH_INFO); |
| } |
| |
| public void setServiceFactory(final ODataServiceFactory serviceFactory) { |
| setParameter(SERVICE_FACTORY, serviceFactory); |
| } |
| |
| @Override |
| public ODataServiceFactory getServiceFactory() { |
| return (ODataServiceFactory) getParameter(SERVICE_FACTORY); |
| } |
| |
| @Override |
| public int startRuntimeMeasurement(final String className, final String methodName) { |
| if (isInDebugMode()) { |
| List<RuntimeMeasurement> runtimeMeasurements = getRuntimeMeasurements(); |
| int handleId = runtimeMeasurements.size(); |
| |
| final RuntimeMeasurement measurement = new RuntimeMeasurementImpl(); |
| measurement.setTimeStarted(System.nanoTime()); |
| measurement.setClassName(className); |
| measurement.setMethodName(methodName); |
| measurement.setMemoryStarted(ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().getUsed()); |
| |
| runtimeMeasurements.add(measurement); |
| |
| return handleId; |
| } else { |
| return 0; |
| } |
| } |
| |
| @Override |
| public void stopRuntimeMeasurement(final int handle) { |
| if (isInDebugMode()) { |
| long stopTime = System.nanoTime(); |
| long stopMemory = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().getUsed(); |
| |
| RuntimeMeasurement runtimeMeasurement = getRuntimeMeasurement(handle); |
| if (runtimeMeasurement != null) { |
| runtimeMeasurement.setTimeStopped(stopTime); |
| runtimeMeasurement.setMemoryStopped(stopMemory); |
| } |
| } |
| } |
| |
| private RuntimeMeasurement getRuntimeMeasurement(final int handle) { |
| List<RuntimeMeasurement> runtimeMeasurements = getRuntimeMeasurements(); |
| if (handle >= 0 && handle < runtimeMeasurements.size()) { |
| return runtimeMeasurements.get(handle); |
| } |
| return null; |
| } |
| |
| @Override |
| public List<RuntimeMeasurement> getRuntimeMeasurements() { |
| @SuppressWarnings("unchecked") |
| List<RuntimeMeasurement> runtimeMeasurements = (List<RuntimeMeasurement>) getParameter(RUNTIME_MEASUREMENTS); |
| if (runtimeMeasurements == null) { |
| runtimeMeasurements = new ArrayList<RuntimeMeasurement>(); |
| setParameter(RUNTIME_MEASUREMENTS, runtimeMeasurements); |
| } |
| return runtimeMeasurements; |
| } |
| |
| protected class RuntimeMeasurementImpl implements RuntimeMeasurement { |
| private String className; |
| private String methodName; |
| private long timeStarted; |
| private long timeStopped; |
| private long memoryStarted; |
| private long memoryStopped; |
| |
| @Override |
| public void setClassName(final String className) { |
| this.className = className; |
| } |
| |
| @Override |
| public String getClassName() { |
| return className; |
| } |
| |
| @Override |
| public void setMethodName(final String methodName) { |
| this.methodName = methodName; |
| } |
| |
| @Override |
| public String getMethodName() { |
| return methodName; |
| } |
| |
| @Override |
| public void setTimeStarted(final long start) { |
| timeStarted = start; |
| } |
| |
| @Override |
| public long getTimeStarted() { |
| return timeStarted; |
| } |
| |
| @Override |
| public void setTimeStopped(final long stop) { |
| timeStopped = stop; |
| } |
| |
| @Override |
| public long getTimeStopped() { |
| return timeStopped; |
| } |
| |
| @Override |
| public String toString() { |
| return className + "." + methodName + ": duration: " + (timeStopped - timeStarted) |
| + ", memory: " + (memoryStopped - memoryStarted); |
| } |
| |
| @Override |
| public void setMemoryStarted(final long used) { |
| memoryStarted = used; |
| } |
| |
| @Override |
| public void setMemoryStopped(final long used) { |
| memoryStopped = used; |
| } |
| |
| @Override |
| public long getMemoryStarted() { |
| return memoryStarted; |
| } |
| |
| @Override |
| public long getMemoryStopped() { |
| return memoryStopped; |
| } |
| } |
| |
| @Override |
| public String getRequestHeader(final String name) { |
| ODataRequest request = (ODataRequest) parameterTable.get(ODATA_REQUEST); |
| return request.getRequestHeaderValue(name); |
| } |
| |
| @Override |
| public Map<String, List<String>> getRequestHeaders() { |
| ODataRequest request = (ODataRequest) parameterTable.get(ODATA_REQUEST); |
| return request.getRequestHeaders(); |
| } |
| |
| @Override |
| public List<Locale> getAcceptableLanguages() { |
| return Collections.unmodifiableList(acceptableLanguages); |
| } |
| |
| public void setAcceptableLanguages(final List<Locale> acceptableLanguages) { |
| this.acceptableLanguages = acceptableLanguages; |
| |
| if (this.acceptableLanguages.isEmpty()) { |
| final Locale wildcard = new Locale("*"); |
| this.acceptableLanguages.add(wildcard); |
| } |
| } |
| |
| public void setHttpMethod(final String httpMethod) { |
| setParameter(HTTP_METHOD, httpMethod); |
| } |
| |
| @Override |
| public String getHttpMethod() { |
| return (String) getParameter(HTTP_METHOD); |
| } |
| |
| public void setRequest(final ODataRequest request) { |
| setParameter(ODATA_REQUEST, request); |
| } |
| |
| private boolean checkDebugMode(final Map<String, String> queryParameters) { |
| final ODataDebugCallback callback = getServiceFactory().getCallback(ODataDebugCallback.class); |
| if(callback != null){ |
| return callback.isDebugEnabled(); |
| } |
| return false; |
| } |
| |
| public void setBatchParentContext(final ODataContext ctx) { |
| setParameter(ODATA_BATCH_PARENT_CONTEXT, ctx); |
| } |
| |
| @Override |
| public ODataContext getBatchParentContext() { |
| return (ODataContext) parameterTable.get(ODATA_BATCH_PARENT_CONTEXT); |
| } |
| |
| @Override |
| public boolean isInBatchMode() { |
| return parameterTable.containsKey(ODATA_BATCH_PARENT_CONTEXT); |
| } |
| |
| } |