Main free licences

[gpl/argeo-slc.git] / runtime / org.argeo.slc.repo / src / main / java / org / argeo / slc / repo / FreeLicense.java

diff --git a/runtime/org.argeo.slc.repo/src/main/java/org/argeo/slc/repo/FreeLicense.java b/runtime/org.argeo.slc.repo/src/main/java/org/argeo/slc/repo/FreeLicense.java
new file mode 100644 (file)
index 0000000..4f18167
--- /dev/null
+++ b/runtime/org.argeo.slc.repo/src/main/java/org/argeo/slc/repo/FreeLicense.java
@@ -0,0 +1,123 @@
+package org.argeo.slc.repo;
+
+import java.io.InputStream;
+import java.net.URL;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.build.License;
+
+/** A free software license */
+public abstract class FreeLicense implements License {
+       final static String RESOURCES = "/org/argeo/slc/repo/license/";
+
+       public final static FreeLicense GPL_v3 = new FreeLicense(
+                       "GNU General Public License, version 3.0",
+                       "http://www.gnu.org/licenses/gpl-3.0.txt",
+                       "http://www.gnu.org/licenses/", RESOURCES + "gpl-3.0.txt") {
+       };
+
+       public final static FreeLicense GPL_v2 = new FreeLicense(
+                       "GNU General Public License, version 2.0",
+                       "http://www.gnu.org/licenses/gpl-2.0.txt",
+                       "http://www.gnu.org/licenses/", RESOURCES + "gpl-2.0.txt") {
+       };
+
+       public final static FreeLicense APACHE_v2 = new FreeLicense(
+                       "Apache License, Version 2.0",
+                       "http://www.apache.org/licenses/LICENSE-2.0.txt",
+                       "http://www.apache.org/licenses/", RESOURCES + "apache-2.0.txt") {
+       };
+
+       public final static FreeLicense EPEL_v1 = new FreeLicense(
+                       "Eclipse Public License, Version 1.0",
+                       "http://www.eclipse.org/legal/epl-v10.html",
+                       "http://www.eclipse.org/legal/eplfaq.php", RESOURCES
+                                       + "epel-1.0.txt") {
+       };
+
+       public final static FreeLicense MIT = new FreeLicense("The MIT License",
+                       "http://opensource.org/licenses/MIT", null, RESOURCES + "mit.txt") {
+       };
+
+       public final static FreeLicense LGPL_v3 = new FreeLicense(
+                       "GNU Lesser General Public License, version 3.0",
+                       "http://www.gnu.org/licenses/lgpl-3.0.txt",
+                       "http://www.gnu.org/licenses/", RESOURCES + "lgpl-3.0.txt") {
+       };
+
+       public final static FreeLicense LGPL_v2 = new FreeLicense(
+                       "GNU Lesser General Public License, version 2.1",
+                       "http://www.gnu.org/licenses/lgpl-2.1.txt",
+                       "http://www.gnu.org/licenses/", RESOURCES + "lgpl-2.1.txt") {
+       };
+
+       private final String name, uri, link, resource;
+
+       public FreeLicense(String name, String uri) {
+               this(name, uri, null, null);
+       }
+
+       public FreeLicense(String name, String uri, String link) {
+               this(name, uri, link, null);
+       }
+
+       public FreeLicense(String name, String uri, String link, String resource) {
+               if (uri == null)
+                       throw new SlcException("URI cannot be null");
+               this.name = name;
+               this.uri = uri;
+               this.link = link;
+               this.resource = resource;
+               getText();
+       }
+
+       public String getName() {
+               return name;
+       }
+
+       public String getUri() {
+               return uri;
+       }
+
+       public String getLink() {
+               return link;
+       }
+
+       @Override
+       public String getText() {
+               InputStream in = null;
+               URL url = null;
+               try {
+                       if (resource != null)
+                               url = getClass().getClassLoader().getResource(resource);
+                       else
+                               url = new URL(uri);
+                       in = url.openStream();
+                       String text = IOUtils.toString(in);
+                       return text;
+               } catch (Exception e) {
+                       throw new SlcException("Cannot retrieve license " + name + " from "
+                                       + url, e);
+               } finally {
+                       IOUtils.closeQuietly(in);
+               }
+       }
+
+       @Override
+       public boolean equals(Object obj) {
+               if (!(obj instanceof License))
+                       return false;
+               return ((License) obj).getUri().equals(getUri());
+       }
+
+       @Override
+       public int hashCode() {
+               return getUri().hashCode();
+       }
+
+       @Override
+       public String toString() {
+               return name + " (" + uri + ")";
+       }
+}