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126 lines
5.7 KiB
Java
126 lines
5.7 KiB
Java
/**
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* The contents of this file are subject to the license and copyright
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* detailed in the LICENSE and NOTICE files at the root of the source
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* tree and available online at
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*
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* http://www.dspace.org/license/
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*/
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package org.dspace.rest;
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import org.apache.log4j.Logger;
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import org.dspace.authorize.AuthorizeManager;
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import org.dspace.core.Context;
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import javax.servlet.ServletContext;
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import javax.ws.rs.*;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import java.sql.SQLException;
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import java.util.ArrayList;
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/*
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The "Path" annotation indicates the URI this class will be available at relative to your base URL. For
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example, if this web-app is launched at localhost using a context of "hello" and no URL pattern is defined
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in the web.xml servlet mapping section, then the web service will be available at:
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http://localhost:8080/<webapp>/collections
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*/
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@Path("/collections")
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public class CollectionsResource {
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private static Logger log = Logger.getLogger(CollectionsResource.class);
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@javax.ws.rs.core.Context ServletContext servletContext;
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private static org.dspace.core.Context context;
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/*
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The "GET" annotation indicates this method will respond to HTTP Get requests.
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The "Produces" annotation indicates the MIME response the method will return.
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*/
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@GET
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@Path("/")
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@Produces(MediaType.TEXT_HTML)
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public String listHTML() {
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StringBuilder everything = new StringBuilder();
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try {
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if(context == null || !context.isValid() ) {
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context = new org.dspace.core.Context();
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//Failed SQL is ignored as a failed SQL statement, prevent: current transaction is aborted, commands ignored until end of transaction block
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context.getDBConnection().setAutoCommit(true);
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}
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org.dspace.content.Collection[] collections = org.dspace.content.Collection.findAll(context);
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for(org.dspace.content.Collection collection : collections) {
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//TODO check auth...
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everything.append("<li><a href='" + servletContext.getContextPath() + "/collections/" + collection.getID() + "'>" + collection.getID() + " - " + collection.getName() + "</a></li>\n");
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}
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return "<html><title>Hello!</title><body>Collections<br/><ul>" + everything.toString() + "</ul>.</body></html> ";
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} catch (SQLException e) {
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log.error(e.getMessage());
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throw new WebApplicationException(Response.Status.INTERNAL_SERVER_ERROR);
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}
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}
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@GET
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@Path("/")
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@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
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public org.dspace.rest.common.Collection[] list(@QueryParam("expand") String expand, @QueryParam("limit") @DefaultValue("100") Integer limit, @QueryParam("offset") @DefaultValue("0") Integer offset) {
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try {
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if(context == null || !context.isValid() ) {
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context = new org.dspace.core.Context();
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//Failed SQL is ignored as a failed SQL statement, prevent: current transaction is aborted, commands ignored until end of transaction block
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context.getDBConnection().setAutoCommit(true);
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}
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org.dspace.content.Collection[] collections;
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//Only support paging if limit/offset are 0 or positive values.
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if(limit != null && limit >= 0 && offset != null && offset >= 0) {
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collections = org.dspace.content.Collection.findAll(context, limit, offset);
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} else {
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collections = org.dspace.content.Collection.findAll(context);
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}
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ArrayList<org.dspace.rest.common.Collection> collectionArrayList = new ArrayList<org.dspace.rest.common.Collection>();
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for(org.dspace.content.Collection collection : collections) {
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if(AuthorizeManager.authorizeActionBoolean(context, collection, org.dspace.core.Constants.READ)) {
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org.dspace.rest.common.Collection restCollection = new org.dspace.rest.common.Collection(collection, null, context, limit, offset);
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collectionArrayList.add(restCollection);
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} // Not showing restricted-access collections
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}
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return collectionArrayList.toArray(new org.dspace.rest.common.Collection[0]);
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} catch (SQLException e) {
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log.error(e.getMessage());
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throw new WebApplicationException(Response.Status.INTERNAL_SERVER_ERROR);
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}
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}
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@GET
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@Path("/{collection_id}")
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@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
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public org.dspace.rest.common.Collection getCollection(@PathParam("collection_id") Integer collection_id, @QueryParam("expand") String expand, @QueryParam("limit") @DefaultValue("100") Integer limit, @QueryParam("offset") @DefaultValue("0") Integer offset) {
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try {
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if(context == null || !context.isValid() ) {
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context = new Context();
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//Failed SQL is ignored as a failed SQL statement, prevent: current transaction is aborted, commands ignored until end of transaction block
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context.getDBConnection().setAutoCommit(true);
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}
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org.dspace.content.Collection collection = org.dspace.content.Collection.find(context, collection_id);
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if(AuthorizeManager.authorizeActionBoolean(context, collection, org.dspace.core.Constants.READ)) {
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return new org.dspace.rest.common.Collection(collection, expand, context, limit, offset);
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} else {
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throw new WebApplicationException(Response.Status.UNAUTHORIZED);
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}
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} catch (SQLException e) {
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log.error(e.getMessage());
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throw new WebApplicationException(Response.Status.INTERNAL_SERVER_ERROR);
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}
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}
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}
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