add support for validating configuration

2010-12-13  Omair Majid  <[email protected]>

    * netx/net/sourceforge/jnlp/config/ValueValidator.java: New file.
    * netx/net/sourceforge/jnlp/config/BasicValueValidators.java: New
    file. Provides methods to get some common validators.
    * netx/net/sourceforge/jnlp/config/ConfiguratonValidator.java: New
    file. Provides methods to validate a configuration.
    * netx/net/sourceforge/jnlp/runtime/DeploymentConfiguration.java:
    Moved to config subpackage instead and split off into Setting.java,
    DeploymentConfiguration.java and Defaults.java.
    * netx/net/sourceforge/jnlp/config/DeploymentConfiguration.java:
    Renamed version of original DeploymentConfiguration.
    (load): Delegate to load.
    (load(boolean)): Load configuration and optionally fix any issues
    found.
    (checkAndFixConfiguration): New method. Validate all settings and
    set them to default values if problems found.
    * netx/net/sourceforge/jnlp/config/Setting.java: New file. Based on
    ConfigValue which was originally a part of DeploymentConfiguration.
    * netx/net/sourceforge/jnlp/config/Defaults.java: New file.
    Contains the default configuration settings. Originally from
    DeploymentConfiguration.java's loadDefaultProperties.
    * netx/net/sourceforge/jnlp/resources/Messages.properties: Add new
    messages.
    * netx/net/sourceforge/jnlp/Launcher.java: Fix imports.
    * netx/net/sourceforge/jnlp/SecurityDesc.java: Likewise.
    * netx/net/sourceforge/jnlp/cache/CacheUtil.java: Likewise.
    * netx/net/sourceforge/jnlp/controlpanel
    /AdvancedProxySettingsDialog.java: Likewise
    * netx/net/sourceforge/jnlp/controlpanel
    /AdvancedProxySettingsPane.java: Likewise.
    * netx/net/sourceforge/jnlp/controlpanel/ControlPanel.java: Likewise
    * netx/net/sourceforge/jnlp/controlpanel/DebuggingPanel.java:
    Likewise.
    * netx/net/sourceforge/jnlp/controlpanel/DesktopShortcutPanel.java:
    Likewise.
    * netx/net/sourceforge/jnlp/controlpanel/MiddleClickListener.java:
    Likewise
    * netx/net/sourceforge/jnlp/controlpanel/NetworkSettingsPanel.java:
    Likewise.
    * netx/net/sourceforge/jnlp/controlpanel/SecuritySettingsPanel.java:
    Likewise.
    * netx/net/sourceforge/jnlp/controlpanel
    /TemporaryInternetFilesPanel.java:Likewise.
    * netx/net/sourceforge/jnlp/runtime/ApplicationInstance.java:
    Likewise.
    * netx/net/sourceforge/jnlp/runtime/JNLPProxySelector.java:
    Likewise.
    * netx/net/sourceforge/jnlp/runtime/JNLPRuntime.java: Likewise.
    * netx/net/sourceforge/jnlp/security/KeyStores.java: Likewise.
    * netx/net/sourceforge/jnlp/security/SecurityWarning.java: Likewise.
    * netx/net/sourceforge/jnlp/services/ServiceUtil.java: Likewise.
    * netx/net/sourceforge/jnlp/services/SingleInstanceLock.java:
    Likewise.
    * netx/net/sourceforge/jnlp/services/XBasicService.java: Likewise
    * netx/net/sourceforge/jnlp/services/XPersistenceService.java:
    Likewise.
    * netx/net/sourceforge/jnlp/util/XDesktopEntry.java: Likewise.
    * plugin/icedteanp/java/sun/applet/JavaConsole.java: Likewise.
    * plugin/icedteanp/java/sun/applet/PluginMain.java: Likewise.

1 files changed, 66 insertions, 0 deletions

diff --git a/netx/net/sourceforge/jnlp/config/ValueValidator.java b/netx/net/sourceforge/jnlp/config/ValueValidator.java
new file mode 100644
index 0000000..d743e6f
--- /dev/null
+++ b/netx/net/sourceforge/jnlp/config/ValueValidator.java
@@ -0,0 +1,66 @@
+/* ValueChecker.java
+   Copyright (C) 2010 Red Hat, Inc.
+
+This file is part of IcedTea.
+
+IcedTea 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, version 2.
+
+IcedTea 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 IcedTea; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version.
+*/
+
+package net.sourceforge.jnlp.config;
+
+/**
+ * A class implements the ValueValidator interface to indicate that it can validate
+ * values.
+ *
+ * @see BasicValueValidators
+ */
+public interface ValueValidator {
+
+    /**
+     * This method checks if the given object is a valid value for this 
+     * specific {@link ValueValidator}. Any arbitrary operation can be
+     * performed to ensure that the value is valid.
+     *
+     * @param value The object to validate
+     * @throws IllegalArgumentException if the value is invalid
+     */
+    public void validate(Object value) throws IllegalArgumentException;
+
+    /**
+     * Returns a string describing possible values in human-readable form that
+     * this {@link ValueValidator} accepts
+     *
+     * @return a string describing possible values that this
+     * {@link ValueValidator} accepts
+     */
+    public String getPossibleValues();
+}