| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.http.pathmap; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.function.Predicate; |
| |
| import org.eclipse.jetty.util.annotation.ManagedAttribute; |
| import org.eclipse.jetty.util.annotation.ManagedObject; |
| import org.eclipse.jetty.util.component.ContainerLifeCycle; |
| import org.eclipse.jetty.util.component.Dumpable; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| |
| /** |
| * Path Mappings of PathSpec to Resource. |
| * <p> |
| * Sorted into search order upon entry into the Set |
| * |
| * @param <E> the type of mapping endpoint |
| */ |
| @ManagedObject("Path Mappings") |
| public class PathMappings<E> implements Iterable<MappedResource<E>>, Dumpable |
| { |
| private static final Logger LOG = Log.getLogger(PathMappings.class); |
| private List<MappedResource<E>> mappings = new ArrayList<MappedResource<E>>(); |
| private MappedResource<E> defaultResource = null; |
| private MappedResource<E> rootResource = null; |
| |
| @Override |
| public String dump() |
| { |
| return ContainerLifeCycle.dump(this); |
| } |
| |
| @Override |
| public void dump(Appendable out, String indent) throws IOException |
| { |
| ContainerLifeCycle.dump(out,indent,mappings); |
| } |
| |
| @ManagedAttribute(value = "mappings", readonly = true) |
| public List<MappedResource<E>> getMappings() |
| { |
| return mappings; |
| } |
| |
| public void reset() |
| { |
| mappings.clear(); |
| } |
| |
| public void removeIf(Predicate<MappedResource<E>> predicate) |
| { |
| mappings.removeIf(predicate); |
| } |
| |
| /** |
| * Return a list of MappedResource matches for the specified path. |
| * |
| * @param path the path to return matches on |
| * @return the list of mapped resource the path matches on |
| */ |
| public List<MappedResource<E>> getMatches(String path) |
| { |
| boolean matchRoot = "/".equals(path); |
| |
| List<MappedResource<E>> ret = new ArrayList<>(); |
| int len = mappings.size(); |
| for (int i = 0; i < len; i++) |
| { |
| MappedResource<E> mr = mappings.get(i); |
| |
| switch (mr.getPathSpec().group) |
| { |
| case ROOT: |
| if (matchRoot) |
| ret.add(mr); |
| break; |
| case DEFAULT: |
| if (matchRoot || mr.getPathSpec().matches(path)) |
| ret.add(mr); |
| break; |
| default: |
| if (mr.getPathSpec().matches(path)) |
| ret.add(mr); |
| break; |
| } |
| } |
| return ret; |
| } |
| |
| public MappedResource<E> getMatch(String path) |
| { |
| if (path.equals("/") && rootResource != null) |
| { |
| return rootResource; |
| } |
| |
| int len = mappings.size(); |
| for (int i = 0; i < len; i++) |
| { |
| MappedResource<E> mr = mappings.get(i); |
| if (mr.getPathSpec().matches(path)) |
| { |
| return mr; |
| } |
| } |
| return defaultResource; |
| } |
| |
| @Override |
| public Iterator<MappedResource<E>> iterator() |
| { |
| return mappings.iterator(); |
| } |
| |
| @SuppressWarnings("incomplete-switch") |
| public void put(PathSpec pathSpec, E resource) |
| { |
| MappedResource<E> entry = new MappedResource<>(pathSpec,resource); |
| switch (pathSpec.group) |
| { |
| case DEFAULT: |
| defaultResource = entry; |
| break; |
| case ROOT: |
| rootResource = entry; |
| break; |
| } |
| |
| // TODO: add warning when replacing an existing pathspec? |
| |
| mappings.add(entry); |
| if (LOG.isDebugEnabled()) |
| LOG.debug("Added {} to {}",entry,this); |
| Collections.sort(mappings); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return String.format("%s[size=%d]",this.getClass().getSimpleName(),mappings.size()); |
| } |
| } |