+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * 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.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.jcr.mvc;
-
-import java.util.Enumeration;
-import java.util.Properties;
-import java.util.StringTokenizer;
-
-import javax.jcr.Repository;
-import javax.jcr.RepositoryFactory;
-import javax.servlet.ServletConfig;
-import javax.servlet.ServletContext;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.jcr.ArgeoJcrConstants;
-import org.argeo.jcr.ArgeoJcrUtils;
-import org.springframework.beans.BeansException;
-import org.springframework.context.ApplicationContext;
-import org.springframework.context.ApplicationContextAware;
-import org.springframework.context.ConfigurableApplicationContext;
-import org.springframework.web.context.ServletContextAware;
-import org.springframework.web.servlet.HandlerExecutionChain;
-import org.springframework.web.servlet.HandlerMapping;
-
-/** Handles multiple JCR servers with a single servlet. */
-public abstract class MultipleRepositoryHandlerMapping implements
- HandlerMapping, ApplicationContextAware, ServletContextAware {
- private final static Log log = LogFactory
- .getLog(MultipleRepositoryHandlerMapping.class);
-
- private final static String MKCOL = "MKCOL";
-
- private ConfigurableApplicationContext applicationContext;
- private ServletContext servletContext;
-
- // private RepositoryRegister repositoryRegister;
- private RepositoryFactory repositoryFactory;
-
- /** Actually creates the servlet to be registered. */
- protected abstract HttpServlet createServlet(Repository repository,
- String pathPrefix) throws ServletException;
-
- public HandlerExecutionChain getHandler(HttpServletRequest request)
- throws Exception {
- if (log.isTraceEnabled()) {
- log.trace("getContextPath=" + request.getContextPath());
- log.trace("getServletPath=" + request.getServletPath());
- log.trace("getPathInfo=" + request.getPathInfo());
- }
-
- String pathInfo = request.getPathInfo();
- String repositoryAlias = extractRepositoryAlias(pathInfo);
- if (repositoryAlias.equals(""))
- return null;
-
- // MKCOL on repository or root node doesn't make sense
- // and causes issues
- if (request.getMethod().equals(MKCOL)) {
- StringTokenizer st = new StringTokenizer(pathInfo, "/");
- if (!st.hasMoreTokens())
- return null;
- st.nextToken();// repository
- if (!st.hasMoreTokens())
- return null;
- st.nextToken();// workspace
- if (!st.hasMoreTokens())
- return null;
- }
-
- request.setAttribute(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS,
- repositoryAlias);
- String pathPrefix = request.getServletPath() + '/' + repositoryAlias;
- String beanName = pathPrefix;
-
- if (!applicationContext.containsBean(beanName)) {
- Repository repository = ArgeoJcrUtils.getRepositoryByAlias(
- repositoryFactory, repositoryAlias);
- // Repository repository = repositoryRegister.getRepositories().get(
- // repositoryAlias);
- HttpServlet servlet = createServlet(repository, pathPrefix);
- applicationContext.getBeanFactory().registerSingleton(beanName,
- servlet);
- // TODO: unregister it as well
- }
- HttpServlet remotingServlet = (HttpServlet) applicationContext
- .getBean(beanName);
- HandlerExecutionChain hec = new HandlerExecutionChain(remotingServlet);
- return hec;
- }
-
- /** Returns the first two token of the path */
- // protected String[] extractPrefix(String pathInfo) {
- // String[] res = new String[2];
- // StringTokenizer st = new StringTokenizer(pathInfo, "/");
- // if (st.hasMoreTokens())
- // res[0] = st.nextToken();
- // if (st.hasMoreTokens())
- // res[1] = st.nextToken();
- // return res;
- // }
-
- /** Returns the first token of the path */
- protected String extractRepositoryAlias(String pathInfo) {
- StringBuffer buf = new StringBuffer();
- for (int i = 1; i < pathInfo.length(); i++) {
- char c = pathInfo.charAt(i);
- if (c == '/')
- break;
- buf.append(c);
- }
- return buf.toString();
- }
-
- /** The repository name is the first part of the path info */
- // protected String extractRepositoryName(List<String> pathTokens) {
- // StringBuffer currName = new StringBuffer("");
- // for (String token : pathTokens) {
- // currName.append(token);
- // if (repositoryRegister.getRepositories().containsKey(
- // currName.toString()))
- // return currName.toString();
- // currName.append('/');
- // }
- // throw new ArgeoException("No repository can be found for request "
- // + pathTokens);
- // }
-
- public void setApplicationContext(ApplicationContext applicationContext)
- throws BeansException {
- this.applicationContext = (ConfigurableApplicationContext) applicationContext;
- }
-
- public void setServletContext(ServletContext servletContext) {
- this.servletContext = servletContext;
- }
-
- // public void setRepositoryRegister(RepositoryRegister repositoryRegister)
- // {
- // this.repositoryRegister = repositoryRegister;
- // }
-
- public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
- this.repositoryFactory = repositoryFactory;
- }
-
- protected class DelegatingServletConfig implements ServletConfig {
- private String name;
- private Properties initParameters;
-
- public DelegatingServletConfig(String name, Properties initParameters) {
- super();
- this.name = name;
- this.initParameters = initParameters;
- }
-
- public String getServletName() {
- return name;
- }
-
- public ServletContext getServletContext() {
- return servletContext;
- }
-
- public String getInitParameter(String paramName) {
- return initParameters.getProperty(paramName);
- }
-
- @SuppressWarnings("rawtypes")
- public Enumeration getInitParameterNames() {
- return initParameters.keys();
- }
- }
-}
projects / lgpl / argeo-commons.git / blobdiff