Java tutorial
/* * 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.wicket.protocol.http.mock; import java.io.Serializable; import java.util.Collections; import java.util.Enumeration; import java.util.UUID; import javax.servlet.ServletContext; import javax.servlet.http.HttpSession; import org.apache.wicket.Session; import org.apache.wicket.util.tester.BaseWicketTester; import org.apache.wicket.util.value.ValueMap; /** * Mock implementation of the <code>WebSession</code> interface for use by the test harnesses. * * @author Chris Turner */ public class MockHttpSession implements HttpSession, Serializable { private static final long serialVersionUID = 1L; private final ValueMap attributes = new ValueMap(); private final transient ServletContext context; private final long creationTime = System.currentTimeMillis(); private String id = generateSessionId(); private long lastAccessedTime = 0; private boolean temporary = true; /** * Create the session. * * @param context */ public MockHttpSession(final ServletContext context) { this.context = context; } /** * Get the attribute with the given name. * * @param name * The attribute name * @return The value or null */ @Override public Object getAttribute(final String name) { return attributes.get(name); } /** * Get the names of the attributes in the session. * * @return The attribute names */ @Override public Enumeration<String> getAttributeNames() { return Collections.enumeration(attributes.keySet()); } /** * Get the creation time of the session. * * @return The creation time */ @Override public long getCreationTime() { return creationTime; } /** * Return the id of this session. * * @return The id */ @Override public String getId() { return id; } /** * Get the time the session was last accessed. * * @return The last accessed time */ @Override public long getLastAccessedTime() { return lastAccessedTime; } /** * NOT USED. Sessions never expire in the test harness. * * @return Always returns 0 */ @Override public int getMaxInactiveInterval() { return 0; } /** * Return the servlet context for the session. * * @return The servlet context */ @Override public ServletContext getServletContext() { return context; } /** * NOT USED. * * @return Always null * @deprecated */ @Override @Deprecated public javax.servlet.http.HttpSessionContext getSessionContext() { return null; } /** * Get the value for the given name. * * @param name * The name * @return The value or null * @deprecated use getAttribute(String) instead */ @Override @Deprecated public Object getValue(final String name) { return getAttribute(name); } /** * Get the names of the values in the session. * * @return The names of the attributes * @deprecated use getAttributeNames() instead */ @Override @Deprecated public String[] getValueNames() { String[] result = new String[attributes.size()]; return attributes.keySet().toArray(result); } /** * Invalidate the session. */ @Override public void invalidate() { Session session = (Session) attributes .get("wicket:" + BaseWicketTester.TestFilterConfig.class.getName() + ":session"); if (session != null) { session.onInvalidate(); } attributes.clear(); id = generateSessionId(); } /** * Check if the session is new. * * @return Always false */ @Override public boolean isNew() { return false; } /** * Set a value. * * @param name * The name of the value * @param o * The value * @deprecated Use setAttribute(String, Object) instead */ @Override @Deprecated public void putValue(final String name, final Object o) { setAttribute(name, o); } /** * Remove an attribute. * * @param name * The name of the attribute */ @Override public void removeAttribute(final String name) { attributes.remove(name); } /** * Remove a value. * * @param name * The name of the value * @deprecated Use removeAttribute(String) instead */ @Override @Deprecated public void removeValue(String name) { removeAttribute(name); } /** * Set an attribute. * * @param name * The name of the attribute to set * @param o * The value to set */ @Override public void setAttribute(final String name, final Object o) { attributes.put(name, o); } /** * NOT USED. Sessions never expire in the test harness. * * @param i * The value */ @Override public void setMaxInactiveInterval(final int i) { } /** * Set the last accessed time for the session. */ public void timestamp() { lastAccessedTime = System.currentTimeMillis(); } /** * Indicates the state of the session. Temporary or persisted. * * @return true if this is a temporary session, false otherwise */ public final boolean isTemporary() { return temporary; } /** * Changes the state of this session. Temporary or persisted. Upon creation all sessions are * temporary. * * @param temporary * true, for a temporary session, false for a persisted session */ public final void setTemporary(boolean temporary) { this.temporary = temporary; } private static String generateSessionId() { return UUID.randomUUID().toString().replace(':', '_').replace('-', '_'); } }