diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java b/BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java index 9648762..f39ff7c 100644 --- a/BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java +++ b/BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java @@ -18,6 +18,10 @@ import bjc.utils.exceptions.FileNotChosenException; public class SimpleFileChooser { private static File doOpenFile(Component parent, String title, JFileChooser files) { + if (title == null) { + throw new NullPointerException("Title must not be null"); + } + files.setDialogTitle(title); boolean success = false; @@ -38,6 +42,10 @@ public class SimpleFileChooser { private static File doSaveFile(Component parent, String title, JFileChooser files) { + if (title == null) { + throw new NullPointerException("Title must not be null"); + } + files.setDialogTitle(title); boolean success = false; @@ -87,6 +95,7 @@ public class SimpleFileChooser { public static File getOpenFile(Component parent, String title, String... extensions) { JFileChooser files = new JFileChooser(); + files.addChoosableFileFilter(new ExtensionFileFilter(extensions)); return doOpenFile(parent, title, files); @@ -121,6 +130,7 @@ public class SimpleFileChooser { public static File getSaveFile(Component parent, String title, String... extensions) { JFileChooser files = new JFileChooser(); + files.addChoosableFileFilter(new ExtensionFileFilter(extensions)); return doSaveFile(parent, title, files); @@ -128,6 +138,13 @@ public class SimpleFileChooser { private static void maybeDoOpenFile(Component parent, JFileChooser files) throws FileNotChosenException { + if (parent == null) { + throw new NullPointerException("Parent must not be null"); + } else if (files == null) { + throw new NullPointerException( + "File chooser must not be null"); + } + int dialogResult = files.showSaveDialog(parent); if (dialogResult != JFileChooser.APPROVE_OPTION) { @@ -137,6 +154,13 @@ public class SimpleFileChooser { private static void maybeDoSaveFile(Component parent, JFileChooser files) throws FileNotChosenException { + if (parent == null) { + throw new NullPointerException("Parent must not be null"); + } else if (files == null) { + throw new NullPointerException( + "File chooser must not be null"); + } + int dialogResult = files.showSaveDialog(parent); if (dialogResult != JFileChooser.APPROVE_OPTION) { @@ -154,6 +178,10 @@ public class SimpleFileChooser { * @return The file if the user chose one or null if they didn't. */ public static File maybeOpenFile(Component parent, String title) { + if (title == null) { + throw new NullPointerException("Title must not be null"); + } + JFileChooser files = new JFileChooser(); files.setDialogTitle(title); @@ -175,6 +203,10 @@ public class SimpleFileChooser { * @return The file if the user chose one or null if they didn't. */ public static File maybeSaveFile(Component parent, String title) { + if (title == null) { + throw new NullPointerException("Title must not be null"); + } + JFileChooser files = new JFileChooser(); files.setDialogTitle(title); |