-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.project.features.registry;\r
-\r
-import java.util.Collection;\r
-import java.util.HashSet;\r
-import java.util.Set;\r
-\r
-/**\r
- * A reference to a P2 feature group installable unit (IU).\r
- * \r
- * <p>\r
- * Contains an ID and an optional version specifier. If a version is not\r
- * specified, it is <code>null</code>. The version can be either a single\r
- * version or a version range.\r
- * \r
- * <p>\r
- * Serializes to the format <code>ID/version</code>\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-public class GroupReference implements Comparable<GroupReference> {\r
-\r
- public static final GroupReference OMNIPRESENT = new GroupReference("omnipresent");\r
-\r
- private final String id;\r
- private final String version;\r
-\r
- /**\r
- * @return\r
- */\r
- public GroupReference withoutVersion() {\r
- return version == null ? this : new GroupReference(id);\r
- }\r
-\r
- /**\r
- * @param refs\r
- * @return\r
- */\r
- public static Collection<GroupReference> stripVersions(Collection<GroupReference> refs) {\r
- Set<GroupReference> result = new HashSet<GroupReference>();\r
- for (GroupReference ref : refs)\r
- result.add( ref.withoutVersion() );\r
- return result;\r
- }\r
-\r
- /**\r
- * @param ref\r
- * @return\r
- */\r
- public static GroupReference parse(String ref) {\r
- // TODO: better validation\r
- int slash = ref.indexOf('/');\r
- if (slash >= 0) {\r
- String id = ref.substring(0, slash);\r
- String version = ref.substring(slash + 1);\r
- return new GroupReference(id, version);\r
- } else {\r
- return new GroupReference(ref);\r
- }\r
- }\r
-\r
- /**\r
- * @param id\r
- */\r
- public GroupReference(String id) {\r
- this(id, null);\r
- }\r
-\r
- /**\r
- * @param id\r
- * @param version\r
- */\r
- public GroupReference(String id, String version) {\r
- if (id == null)\r
- throw new NullPointerException("null feature bundle id");\r
- this.id = id;\r
- this.version = version;\r
- }\r
-\r
- /**\r
- * @return\r
- */\r
- public String getId() {\r
- return id;\r
- }\r
-\r
- /**\r
- * @return\r
- */\r
- public String getVersion() {\r
- return version;\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return version != null ? id + "/" + version : id;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- final int prime = 31;\r
- int result = 1;\r
- result = prime * result + id.hashCode();\r
- result = prime * result + ((version == null) ? 0 : version.hashCode());\r
- return result;\r
- }\r
-\r
- @Override\r
- public boolean equals(Object obj) {\r
- if (this == obj)\r
- return true;\r
- if (obj == null)\r
- return false;\r
- if (getClass() != obj.getClass())\r
- return false;\r
- GroupReference other = (GroupReference) obj;\r
- if (!id.equals(other.id))\r
- return false;\r
- if (version == null) {\r
- if (other.version != null)\r
- return false;\r
- } else if (!version.equals(other.version))\r
- return false;\r
- return true;\r
- }\r
-\r
- /**\r
- * @param obj group reference whose id to compare to this reference's\r
- * @return <code>true</code> if id's are equal\r
- */\r
- public boolean idEquals(GroupReference other) {\r
- return id.equals(other.id);\r
- }\r
-\r
- /**\r
- * Checks whether this feature reference fulfills the demand imposed by the\r
- * specified feature reference. Fulfillment implies matching feature ID and\r
- * a version match or a version range for this feature reference that includes the\r
- * absolute version in the specified feature reference.\r
- * \r
- * @param ref\r
- * @return\r
- */\r
- public boolean includes(GroupReference request) {\r
- if (!id.equals(request.id))\r
- return false;\r
-\r
- if (version == null)\r
- // Any version will do.\r
- return true;\r
-\r
- // TODO: implement version checking\r
-\r
- // ASSERT: request.version is an absolute version, not a range\r
-\r
- // If this.version is a absolute version, check that request.version is\r
- // greater or equal than this.version.\r
-\r
- // If this.version is a version range, check that the range includes\r
- // request.version.\r
-\r
- return true;\r
- }\r
-\r
- @Override\r
- public int compareTo(GroupReference o) {\r
- int idDelta = id.compareTo(o.id);\r
- if (idDelta != 0)\r
- return idDelta;\r
-\r
- // TODO: comparability based on version comparability\r
-\r
- return 0;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.project.features.registry;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * A reference to a P2 feature group installable unit (IU).
+ *
+ * <p>
+ * Contains an ID and an optional version specifier. If a version is not
+ * specified, it is <code>null</code>. The version can be either a single
+ * version or a version range.
+ *
+ * <p>
+ * Serializes to the format <code>ID/version</code>
+ *
+ * @author Tuukka Lehtonen
+ */
+public class GroupReference implements Comparable<GroupReference> {
+
+ public static final GroupReference OMNIPRESENT = new GroupReference("omnipresent");
+
+ private final String id;
+ private final String version;
+
+ /**
+ * @return
+ */
+ public GroupReference withoutVersion() {
+ return version == null ? this : new GroupReference(id);
+ }
+
+ /**
+ * @param refs
+ * @return
+ */
+ public static Collection<GroupReference> stripVersions(Collection<GroupReference> refs) {
+ Set<GroupReference> result = new HashSet<GroupReference>();
+ for (GroupReference ref : refs)
+ result.add( ref.withoutVersion() );
+ return result;
+ }
+
+ /**
+ * @param ref
+ * @return
+ */
+ public static GroupReference parse(String ref) {
+ // TODO: better validation
+ int slash = ref.indexOf('/');
+ if (slash >= 0) {
+ String id = ref.substring(0, slash);
+ String version = ref.substring(slash + 1);
+ return new GroupReference(id, version);
+ } else {
+ return new GroupReference(ref);
+ }
+ }
+
+ /**
+ * @param id
+ */
+ public GroupReference(String id) {
+ this(id, null);
+ }
+
+ /**
+ * @param id
+ * @param version
+ */
+ public GroupReference(String id, String version) {
+ if (id == null)
+ throw new NullPointerException("null feature bundle id");
+ this.id = id;
+ this.version = version;
+ }
+
+ /**
+ * @return
+ */
+ public String getId() {
+ return id;
+ }
+
+ /**
+ * @return
+ */
+ public String getVersion() {
+ return version;
+ }
+
+ @Override
+ public String toString() {
+ return version != null ? id + "/" + version : id;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + id.hashCode();
+ result = prime * result + ((version == null) ? 0 : version.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ GroupReference other = (GroupReference) obj;
+ if (!id.equals(other.id))
+ return false;
+ if (version == null) {
+ if (other.version != null)
+ return false;
+ } else if (!version.equals(other.version))
+ return false;
+ return true;
+ }
+
+ /**
+ * @param obj group reference whose id to compare to this reference's
+ * @return <code>true</code> if id's are equal
+ */
+ public boolean idEquals(GroupReference other) {
+ return id.equals(other.id);
+ }
+
+ /**
+ * Checks whether this feature reference fulfills the demand imposed by the
+ * specified feature reference. Fulfillment implies matching feature ID and
+ * a version match or a version range for this feature reference that includes the
+ * absolute version in the specified feature reference.
+ *
+ * @param ref
+ * @return
+ */
+ public boolean includes(GroupReference request) {
+ if (!id.equals(request.id))
+ return false;
+
+ if (version == null)
+ // Any version will do.
+ return true;
+
+ // TODO: implement version checking
+
+ // ASSERT: request.version is an absolute version, not a range
+
+ // If this.version is a absolute version, check that request.version is
+ // greater or equal than this.version.
+
+ // If this.version is a version range, check that the range includes
+ // request.version.
+
+ return true;
+ }
+
+ @Override
+ public int compareTo(GroupReference o) {
+ int idDelta = id.compareTo(o.id);
+ if (idDelta != 0)
+ return idDelta;
+
+ // TODO: comparability based on version comparability
+
+ return 0;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff