Author: mmichaud
Date: 2009-04-17 10:05:35 -0700 (Fri, 17 Apr 2009)
New Revision: 16616
Added:
core3/io-impl/trunk/src/main/java/org/cytoscape/io/internal/util/FileUtilImpl.java
Log:
Added:
core3/io-impl/trunk/src/main/java/org/cytoscape/io/internal/util/FileUtilImpl.java
===================================================================
---
core3/io-impl/trunk/src/main/java/org/cytoscape/io/internal/util/FileUtilImpl.java
2009-04-17 17:03:49 UTC (rev 16615)
+++
core3/io-impl/trunk/src/main/java/org/cytoscape/io/internal/util/FileUtilImpl.java
2009-04-17 17:05:35 UTC (rev 16616)
@@ -0,0 +1,314 @@
+/*
+ File: FileUtil.java
+
+ Copyright (c) 2006, The Cytoscape Consortium (www.cytoscape.org)
+
+ The Cytoscape Consortium is:
+ - Institute for Systems Biology
+ - University of California San Diego
+ - Memorial Sloan-Kettering Cancer Center
+ - Institut Pasteur
+ - Agilent Technologies
+
+ This library is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License, or
+ any later version.
+
+ This library 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. The software and
+ documentation provided hereunder is on an "as is" basis, and the
+ Institute for Systems Biology and the Whitehead Institute
+ have no obligations to provide maintenance, support,
+ updates, enhancements or modifications. In no event shall the
+ Institute for Systems Biology and the Whitehead Institute
+ be liable to any party for direct, indirect, special,
+ incidental or consequential damages, including lost profits, arising
+ out of the use of this software and its documentation, even if the
+ Institute for Systems Biology and the Whitehead Institute
+ have been advised of the possibility of such damage. See
+ the GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+package org.cytoscape.io.internal.util;
+
+import java.awt.Component;
+import java.awt.FileDialog;
+import java.awt.Frame;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+
+import javax.swing.JFileChooser;
+import javax.swing.JOptionPane;
+
+import org.cytoscape.io.util.FileUtil;
+import org.cytoscape.io.util.StreamUtil;
+
+import org.cytoscape.work.TaskMonitor;
+
+
+public class FileUtilImpl implements FileUtil {
+
+ private StreamUtil streamUtil;
+ private File mrud;
+
+ public FileUtilImpl(StreamUtil streamUtil) {
+ this.streamUtil = streamUtil;
+
+ mrud = new File(System.getProperty("user.dir"));
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public File getFile(String title, int load_save_custom) {
+ return getFile(title, load_save_custom, null, null);
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public File getFile(String title, int load_save_custom, String
start_dir,
+ String custom_approve_text) {
+ File[] result = getFiles(title, load_save_custom, start_dir,
+ custom_approve_text, false);
+
+ return ((result == null) || (result.length <= 0)) ? null :
result[0];
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public File[] getFiles(Component parent, String title, int
load_save_custom) {
+ return getFiles(parent, title, load_save_custom, null, null,
true);
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public File[] getFiles(String title, int load_save_custom,
+ String start_dir, String custom_approve_text) {
+ return getFiles(null, title, load_save_custom, start_dir,
+ custom_approve_text, true);
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public File[] getFiles(String title, int load_save_custom,
+ String start_dir, String custom_approve_text, boolean
multiselect) {
+ return getFiles(null, title, load_save_custom, start_dir,
+ custom_approve_text, multiselect);
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public File[] getFiles(Component parent, String title,
+ int load_save_custom, String start_dir, String
custom_approve_text,
+ boolean multiselect) {
+
+ if (parent == null)
+ throw new NullPointerException("Parent component is
null");
+
+ File start = null;
+
+ if (start_dir == null)
+ start = getMRUD();
+ else
+ start = new File(start_dir);
+
+ String osName = System.getProperty("os.name");
+
+ // System.out.println( "Os name: "+osName );
+ if (osName.startsWith("Mac")) {
+ // this is a Macintosh, use the AWT style file dialog
+ FileDialog chooser = new FileDialog((Frame) parent,
title,
+ load_save_custom);
+
+ // we can only set the one filter; therefore, create a
special
+ // version of CyFileFilter that contains all extensions
+ // TODO fix this so we actually use the filters we're
given
+ // CyFileFilter fileFilter = new CyFileFilter(new
String[]{},new
+ // String[]{},"All network files");
+
+ // chooser.setFilenameFilter(fileFilter);
+
+ chooser.setVisible(true);
+
+ if (chooser.getFile() != null) {
+ File[] result = new File[1];
+ result[0] = new File(chooser.getDirectory() +
"/"
+ + chooser.getFile());
+
+ if (chooser.getDirectory() != null) {
+ setMRUD(new
File(chooser.getDirectory()));
+ }
+
+ return result;
+ }
+
+ return null;
+ } else {
+ // this is not a mac, use the Swing based file dialog
+ final JFileChooser chooser = new JFileChooser(start);
+
+ // set multiple selection, if applicable
+ chooser.setMultiSelectionEnabled(multiselect);
+
+ // set the dialog title
+ chooser.setDialogTitle(title);
+
+ // add filters
+ // TODO: fix Filter
+ // for (int i = 0; i < filters.length; ++i) {
+ // chooser.addChoosableFileFilter(filters[i]);
+ // }
+
+ File[] result = null;
+ File tmp = null;
+
+ // set the dialog type
+ if (load_save_custom == LOAD) {
+ if (chooser.showOpenDialog(parent) ==
JFileChooser.APPROVE_OPTION) {
+ if (multiselect)
+ result =
chooser.getSelectedFiles();
+ else if ((tmp =
chooser.getSelectedFile()) != null) {
+ result = new File[1];
+ result[0] = tmp;
+ }
+ }
+ } else if (load_save_custom == SAVE) {
+ if (chooser.showSaveDialog(parent) ==
JFileChooser.APPROVE_OPTION) {
+ if (multiselect)
+ result =
chooser.getSelectedFiles();
+ else if ((tmp =
chooser.getSelectedFile()) != null) {
+ result = new File[1];
+ result[0] = tmp;
+ }
+ // FileDialog checks for overwrte, but
JFileChooser does
+ // not, so we need to do
+ // so ourselves
+ for (int i = 0; i < result.length; i++)
{
+ if (result[i].exists()) {
+ int answer = JOptionPane
+
.showConfirmDialog(
+
chooser,
+
"The file '"
+
+ result[i].getName()
+
+ "' already exists, are you sure you want to overwrite
it?",
+
"File exists",
+
JOptionPane.YES_NO_OPTION,
+
JOptionPane.WARNING_MESSAGE);
+ if (answer == 1)
+ return null;
+ }
+ }
+ }
+ } else {
+ if (chooser.showDialog(parent,
custom_approve_text) == JFileChooser.APPROVE_OPTION) {
+ if (multiselect)
+ result =
chooser.getSelectedFiles();
+ else if ((tmp =
chooser.getSelectedFile()) != null) {
+ result = new File[1];
+ result[0] = tmp;
+ }
+ }
+ }
+
+ if ((result != null) && (start_dir == null))
+ setMRUD(chooser.getCurrentDirectory());
+
+ return result;
+ }
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public InputStream getInputStream(String name) {
+ return getInputStream(name, null);
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ // TODO This taskMonitor should be updated or this
+ // method should be removed.
+ public InputStream getInputStream(String name, TaskMonitor monitor) {
+ InputStream in = null;
+
+ try {
+ if (name.matches(urlPattern)) {
+ URL u = new URL(name);
+ // in = u.openStream();
+ // Use URLUtil to get the InputStream since we
might be using a
+ // proxy server
+ // and because pages may be cached:
+ in = streamUtil.getBasicInputStream(u);
+ } else
+ in = new FileInputStream(name);
+ } catch (IOException ioe) {
+ // TODO this exception should be propagated.
+ ioe.printStackTrace();
+ }
+
+ return in;
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public String getInputString(String filename) {
+ try {
+ InputStream stream = getInputStream(filename);
+ return getInputString(stream);
+ } catch (IOException ioe) {
+ ioe.printStackTrace();
+ }
+
+ System.out.println("couldn't create string from '" + filename +
"'");
+
+ return null;
+ }
+
+ /**
+ * {...@inheritdoc}
+ */
+ public String getInputString(InputStream inputStream) throws
IOException {
+ String lineSep = System.getProperty("line.separator");
+ StringBuffer sb = new StringBuffer();
+ String line = null;
+ BufferedReader br = new BufferedReader(new InputStreamReader(
+ inputStream));
+
+ while ((line = br.readLine()) != null)
+ sb.append(line + lineSep);
+
+ return sb.toString();
+ }
+
+ /**
+ * Get the most recently used directory.
+ */
+ public synchronized File getMRUD() {
+ return mrud;
+ }
+
+ /**
+ * Set the most recently used directory.
+ */
+ public synchronized void setMRUD(File mrud_new) {
+ if ( mrud_new != null )
+ mrud = mrud_new;
+ }
+}
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