-/*\r
- * Copyright (C) 2001, 2002 The Mir-coders group\r
- *\r
- * This file is part of Mir.\r
- *\r
- * Mir is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * Mir is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with Mir; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
- *\r
- * In addition, as a special exception, The Mir-coders gives permission to link\r
- * the code of this program with any library licensed under the Apache Software License,\r
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library\r
- * (or with modified versions of the above that use the same license as the above),\r
- * and distribute linked combinations including the two. You must obey the\r
- * GNU General Public License in all respects for all of the code used other than\r
- * the above mentioned libraries. If you modify this file, you may extend this\r
- * exception to your version of the file, but you are not obligated to do so.\r
- * If you do not wish to do so, delete this exception statement from your version.\r
- */\r
-package mir.entity.adapter;\r
-\r
-import java.util.AbstractList;\r
-import java.util.List;\r
-import java.util.Vector;\r
-\r
-import mir.entity.Entity;\r
-import mir.entity.EntityBrowser;\r
-\r
-public class EntityListAdapter extends AbstractList {\r
- private int skip;\r
- private int maximumLength;\r
- private EntityBrowser browser;\r
- private EntityAdapterModel model;\r
- private String definition;\r
- private boolean exhausted = false;\r
- private boolean skipped = false;\r
-\r
- private List cache;\r
-\r
- protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aSkip, int aMaximumLength) {\r
- model = aModel;\r
- definition = aDefinition;\r
- browser = aBrowser;\r
- skip = aSkip;\r
- maximumLength = aMaximumLength;\r
- cache = new Vector();\r
- }\r
-\r
- protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aMaximumLength) {\r
- this(aModel, aDefinition, aBrowser, 0, aMaximumLength);\r
- }\r
-\r
- protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser) {\r
- this(aModel, aDefinition, aBrowser, 0, -1);\r
- }\r
-\r
- private void skip() {\r
- int i;\r
-\r
- try {\r
- if (!skipped) {\r
- for(i=0; i<skip; i++)\r
- if (browser.hasNext())\r
- browser.next();\r
- }\r
- skipped=true;\r
- }\r
- catch (Throwable t) {\r
- throw new RuntimeException(t.getMessage());\r
- }\r
- }\r
-\r
- private void fetchNext() {\r
- try {\r
- if (!exhausted) {\r
- if (browser.hasNext())\r
- cache.add(model.makeEntityAdapter(definition, (Entity) browser.next()));\r
-\r
- exhausted = !browser.hasNext() || (maximumLength>0 && cache.size()>=maximumLength) ;\r
- }\r
- }\r
- catch (Throwable t) {\r
- throw new RuntimeException(t.getMessage());\r
- }\r
-\r
- }\r
-\r
- private void exhaust() {\r
- skip();\r
-\r
- while (!exhausted)\r
- fetchNext();\r
- }\r
-\r
- private void fetchUntil(int anIndex) {\r
- skip();\r
-\r
- while (!exhausted && anIndex>=cache.size())\r
- fetchNext();\r
- }\r
-\r
- public int size() {\r
- exhaust();\r
-\r
- return cache.size();\r
- }\r
-\r
- public Object get(int anIndex) {\r
- fetchUntil(anIndex);\r
- return cache.get(anIndex);\r
- }\r
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir 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.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mir.entity.adapter;
+
+import java.util.AbstractList;
+import java.util.List;
+import java.util.Vector;
+
+import mir.entity.Entity;
+import mir.entity.EntityBrowser;
+
+public class EntityListAdapter extends AbstractList {
+ private int skip;
+ private int maximumLength;
+ private EntityBrowser browser;
+ private EntityAdapterModel model;
+ private String definition;
+ private boolean exhausted = false;
+ private boolean skipped = false;
+
+ private List cache;
+
+ protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aSkip, int aMaximumLength) {
+ model = aModel;
+ definition = aDefinition;
+ browser = aBrowser;
+ skip = aSkip;
+ maximumLength = aMaximumLength;
+ cache = new Vector();
+ }
+
+ protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aMaximumLength) {
+ this(aModel, aDefinition, aBrowser, 0, aMaximumLength);
+ }
+
+ protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser) {
+ this(aModel, aDefinition, aBrowser, 0, -1);
+ }
+
+ private void skip() {
+ int i;
+
+ try {
+ if (!skipped) {
+ for(i=0; i<skip; i++)
+ if (browser.hasNext())
+ browser.next();
+ }
+ skipped=true;
+ }
+ catch (Throwable t) {
+ throw new RuntimeException(t.getMessage());
+ }
+ }
+
+ private void fetchNext() {
+ try {
+ if (!exhausted) {
+ if (browser.hasNext())
+ cache.add(model.makeEntityAdapter(definition, (Entity) browser.next()));
+
+ exhausted = !browser.hasNext() || (maximumLength>0 && cache.size()>=maximumLength) ;
+ }
+ }
+ catch (Throwable t) {
+ throw new RuntimeException(t.getMessage());
+ }
+
+ }
+
+ private void exhaust() {
+ skip();
+
+ while (!exhausted)
+ fetchNext();
+ }
+
+ private void fetchUntil(int anIndex) {
+ skip();
+
+ while (!exhausted && anIndex>=cache.size())
+ fetchNext();
+ }
+
+ public int size() {
+ exhaust();
+
+ return cache.size();
+ }
+
+ public Object get(int anIndex) {
+ fetchUntil(anIndex);
+ return cache.get(anIndex);
+ }
}
\ No newline at end of file
projects / mir.git / blobdiff