133 lines
3.3 KiB
Java
133 lines
3.3 KiB
Java
/*
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* Copyright 2008 National Library of Sweden
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package se.kb.oai.ore;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* An aggregation is a set of related resources (see {@link AggregatedResource}), grouped
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* together such that the set can be treated as a single resource. This class is used to
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* manage the individual resources and also holds information for the aggregation as
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* a whole.
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*
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* @author Oskar Grenholm, National Library of Sweden
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*/
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public class Aggregation extends AggregateBase {
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private List<AggregatedResource> resources;
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/**
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* Create an <code>Aggregation</code> with the specified id.
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*
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* @param id the id
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*
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* @throws URISyntaxException
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*/
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public Aggregation(String id) throws URISyntaxException {
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this(new URI(id));
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}
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/**
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* Create an <code>Aggregation</code> with the specified id.
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*
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* @param id the id
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*/
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public Aggregation(URI id) {
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super(id);
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this.resources = new LinkedList<AggregatedResource>();
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}
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/**
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* Get the number of resources that this <code>Aggregation</code> has.
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*
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* @return the number of resources
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*/
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public int numberOfResources() {
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return resources.size();
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}
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/**
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* Get this <code>Aggregations</code> list of <code>AggreagatedResources</code>.
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*
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* @return a list of resources
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*/
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public List<AggregatedResource> getResources() {
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return resources;
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}
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/**
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* Get the <code>AggreagatedResource</code> at the specified index.
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* (There is no guarantee of the ordering of the resources for different
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* parsings of the same resource map!)
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*
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* @param index the index
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*
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* @return the resource
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*/
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public AggregatedResource getResource(int index) {
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return resources.get(index);
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}
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/**
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* Get the <code>AggreagatedResource</code> with the given id.
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*
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* @param id the id of the resource
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*
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* @return the resource
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*/
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public AggregatedResource getResource(String id) throws URISyntaxException {
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return getResource(new URI(id));
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}
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/**
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* Get the <code>AggreagatedResource</code> with the given id.
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*
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* @param id the id of the resource
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*
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* @return the resource, or <code>null</code> if no match
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*/
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public AggregatedResource getResource(URI id) {
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for (AggregatedResource resource : resources) {
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if (resource.getId().equals(id)) {
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return resource;
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}
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}
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return null;
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}
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/**
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* Set the list of resources.
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*
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* @param resources the list of resources
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*/
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public void setResources(List<AggregatedResource> resources) {
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this.resources = resources;
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}
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/**
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* Add an <code>AggreagatedResource</code> to this <code>Aggregation</code>.
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*
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* @param resource a resource
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*/
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public void addResource(AggregatedResource resource) {
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resources.add(resource);
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}
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}
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