Update arborescence 2

Tess4J/test/net/sourceforge/tess4j/ProgressMonitor.java

@@ -0,0 +1,75 @@
+/**
+ * Copyright @ 2014 Quan Nguyen
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package net.sourceforge.tess4j;
+
+import com.sun.jna.Pointer;
+import net.sourceforge.tess4j.util.LoggHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static net.sourceforge.tess4j.ITessAPI.TRUE;
+
+class ProgressMonitor extends Thread {
+
+    ITessAPI.ETEXT_DESC monitor;
+    StringBuilder outputMessage = new StringBuilder();
+
+    private static final Logger logger = LoggerFactory.getLogger(new LoggHelper().toString());
+
+    public ProgressMonitor(ITessAPI.ETEXT_DESC monitor) {
+        this.monitor = monitor;
+    }
+
+    public String getMessage() {
+        return outputMessage.toString();
+    }
+
+    @Override
+    public void run() {
+        try {
+            while (true) {
+                logger.info("ocr alive: " + (monitor.ocr_alive == TRUE));
+                logger.info("progress: " + monitor.progress);
+                outputMessage.append(monitor.more_to_come);
+                if (monitor.progress >= 100) {
+                    break;
+                }
+                Thread.sleep(100);
+            }
+        } catch (Exception ioe) {
+            ioe.printStackTrace();
+        }
+    }
+
+    /**
+     * Cancels OCR operation.
+     */
+    public void cancel() {
+        monitor.cancel = new ITessAPI.CANCEL_FUNC() {
+            @Override
+            public boolean invoke(Pointer cancel_this, int words) {
+                return true;
+            }
+        };
+    }
+
+    /**
+     * Resets cancel flag.
+     */
+    public void reset() {
+        monitor.cancel = null;
+    }
+}