Support FindFullText with ACS DOIs

src/main/java/net/sf/jabref/external/ACSPdfDownload.java

@@ -0,0 +1,44 @@
+/*  Copyright (C) 2014 Commonwealth Scientific and Industrial Research Organisation
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+package net.sf.jabref.external;
+
+import java.net.URL;
+import java.net.MalformedURLException;
+import java.io.IOException;
+
+/**
+ * FullTextFinder implementation that attempts to find PDF url from a ACS DOI.
+ */
+public class ACSPdfDownload implements FullTextFinder {
+
+	private static final String BASE_URL = "http://pubs.acs.org/doi/pdf/";
+
+    public ACSPdfDownload() {
+
+    }
+
+    public boolean supportsSite(URL url) {
+        return url.getHost().toLowerCase().contains("acs.org");
+    }
+
+    public URL findFullTextURL(URL url) throws IOException {
+        try {
+            return new URL(BASE_URL+url.getPath().substring("/doi/abs/".length()));
+        } catch (MalformedURLException e) {
+            return null;
+        }
+    }
+}

src/main/java/net/sf/jabref/external/FindFullText.java

@@ -51,6 +51,7 @@ public class FindFullText {
     public FindFullText() {
         finders.add(new ScienceDirectPdfDownload());
         finders.add(new SpringerLinkPdfDownload());
+        finders.add(new ACSPdfDownload());
     }
 
     public FindResult findFullText(BibtexEntry entry) {

src/test/java/net/sf/jabref/external/AcsPdfTest.java

@@ -0,0 +1,20 @@
+package net.sf.jabref.external;
+
+import java.net.URL;
+
+import junit.framework.TestCase;
+
+public class AcsPdfTest extends TestCase {
+
+    public void testSupportsSite() throws Exception {
+    	FullTextFinder acs = new ACSPdfDownload();
+    	assertTrue(acs.supportsSite(new URL("http://pubs.acs.org/doi/abs/10.1021/bk-2006-STYG.ch014")));
+    	assertFalse(acs.supportsSite(new URL("http://pubs.rsc.org/en/Content/ArticleLanding/2014/SC/c4sc00823e")));
+    }
+
+    public void testFindFullTextURL() throws Exception {
+    	FullTextFinder acs = new ACSPdfDownload();
+    	assertEquals(new URL("http://pubs.acs.org/doi/pdf/10.1021/bk-2006-STYG.ch014"), 
+    			acs.findFullTextURL(new URL("http://pubs.acs.org/doi/abs/10.1021/bk-2006-STYG.ch014")));
+    }
+}