X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Furi%2FResourceToPossibleURI.java;h=8eb8e1e1db91368e54fa7acc2957b9e41401061d;hb=25e3207c8a1aad3cbe72202750f67f0483ccb1a2;hp=a8de839131cedd89166b9146f10bd3858fef83b8;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/uri/ResourceToPossibleURI.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/uri/ResourceToPossibleURI.java index a8de83913..8eb8e1e1d 100644 --- a/bundles/org.simantics.db.common/src/org/simantics/db/common/uri/ResourceToPossibleURI.java +++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/uri/ResourceToPossibleURI.java @@ -1,49 +1,49 @@ -/******************************************************************************* - * Copyright (c) 2007, 2010 Association for Decentralized Information Management - * in Industry THTH ry. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * VTT Technical Research Centre of Finland - initial API and implementation - *******************************************************************************/ -package org.simantics.db.common.uri; - -import org.simantics.databoard.Bindings; -import org.simantics.databoard.util.URIStringUtils; -import org.simantics.db.ReadGraph; -import org.simantics.db.Resource; -import org.simantics.db.common.request.ResourceRead; -import org.simantics.db.exception.DatabaseException; -import org.simantics.layer0.Layer0; - -/** - * Tries to retrieve URIs for specified resources. Returns null if - * URI is undefined. This query follows the semantics of - * {@link ReadGraph#getPossibleURI(Resource)}. - * - * @author Antti Villberg - */ -public class ResourceToPossibleURI extends ResourceRead { - - public ResourceToPossibleURI(Resource resource) { - super(resource); - } - - @Override - public String perform(ReadGraph g) throws DatabaseException { - if(g.getRootLibrary().equals(resource)) return "http:/"; - Layer0 L0 = Layer0.getInstance(g); - String name = g.getPossibleRelatedValue(resource, L0.HasName, Bindings.STRING); - if(name == null) return null; - String escapedName = URIStringUtils.escape((String) name); - Resource parent = g.getPossibleObject(resource, L0.PartOf); - if(parent == null) return null; - String parentURI = g.syncRequest(new ResourceToPossibleURI(parent)); - if(parentURI == null) return null; - return parentURI + "/" + escapedName; - } - -} +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.db.common.uri; + +import org.simantics.databoard.Bindings; +import org.simantics.databoard.util.URIStringUtils; +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.common.request.ResourceRead; +import org.simantics.db.exception.DatabaseException; +import org.simantics.layer0.Layer0; + +/** + * Tries to retrieve URIs for specified resources. Returns null if + * URI is undefined. This query follows the semantics of + * {@link ReadGraph#getPossibleURI(Resource)}. + * + * @author Antti Villberg + */ +public class ResourceToPossibleURI extends ResourceRead { + + public ResourceToPossibleURI(Resource resource) { + super(resource); + } + + @Override + public String perform(ReadGraph g) throws DatabaseException { + if(g.getRootLibrary().equals(resource)) return "http:/"; + Layer0 L0 = Layer0.getInstance(g); + String name = g.getPossibleRelatedValue(resource, L0.HasName, Bindings.STRING); + if(name == null) return null; + String escapedName = URIStringUtils.escape((String) name); + Resource parent = g.getPossibleObject(resource, L0.PartOf); + if(parent == null) return null; + String parentURI = g.syncRequest(new ResourceToPossibleURI(parent)); + if(parentURI == null) return null; + return parentURI + "/" + escapedName; + } + +}