Introduce basic NIO Java 7 UI

[lgpl/argeo-commons.git] / org.argeo.eclipse.ui / src / org / argeo / eclipse / ui / fs / NioFileLabelProvider.java

diff --git a/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/fs/NioFileLabelProvider.java b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/fs/NioFileLabelProvider.java
new file mode 100644 (file)
index 0000000..391f250
--- /dev/null
+++ b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/fs/NioFileLabelProvider.java
@@ -0,0 +1,45 @@
+package org.argeo.eclipse.ui.fs;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import org.argeo.eclipse.ui.EclipseUiUtils;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+
+/** Expect a {@link Path} as input element */
+public class NioFileLabelProvider extends ColumnLabelProvider {
+       private static final long serialVersionUID = 2160026425187796930L;
+       private final String propName;
+
+       public NioFileLabelProvider(String propName) {
+               this.propName = propName;
+       }
+
+       @Override
+       public String getText(Object element) {
+               Path path = (Path) element;
+               try {
+                       switch (propName) {
+                       case FsUiConstants.PROPERTY_SIZE:
+                               return FsUiUtils.humanReadableByteCount(Files.size(path), false);
+                       case FsUiConstants.PROPERTY_LAST_MODIFIED:
+                               return Files.getLastModifiedTime(path).toString();
+                       case FsUiConstants.PROPERTY_TYPE:
+                               if (Files.isDirectory(path))
+                                       return "Folder";
+                               else {
+                                       String mimeType = Files.probeContentType(path);
+                                       if (EclipseUiUtils.isEmpty(mimeType))
+                                               return "Unknown";
+                                       else
+                                               return mimeType;
+                               }
+                       default:
+                               throw new IllegalArgumentException("Unsupported property " + propName);
+                       }
+               } catch (IOException ioe) {
+                       throw new FsUiException("Cannot get property " + propName + " on " + path.toString());
+               }
+       }
+}