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GUACAMOLE-38: Implement QuickConnectException for providing exceptions to the user.

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This commit is contained in:
Nick Couchman
2018-05-21 10:54:14 -04:00
parent 8c130215f4
commit 730201358e
3 changed files with 101 additions and 4 deletions
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86
extensions/guacamole-auth-quickconnect/src/main/java/org/apache/guacamole/auth/quickconnect/QuickConnectException.java Normal file
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@@ -0,0 +1,86 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.guacamole.auth.quickconnect;
import org.apache.guacamole.GuacamoleClientException;
import org.apache.guacamole.language.Translatable;
import org.apache.guacamole.language.TranslatableMessage;
/**
* An exception that is thrown by this extension when an error occurs
* attempting to create and establish a connection with a user-provided
* URI.
*/
public class QuickConnectException extends GuacamoleClientException
implements Translatable {
/**
* A message that can be passed through the translation service
* to provide information about the error that occurred.
*/
private final TranslatableMessage translatableMessage;
/**
* Create a QuickConnectException with the given message and translationKey.
* The message will not be passed through the translation system; the
* translationKey will be passed through the translation system. Both should
* describe the error.
*
* @param message
* A string describing the error that occurred when trying to create
* or establish the connection. This will not be passed through the
* translation system.
*
* @param translationKey
* A key known to the translation system describing the error that
* occurred when trying to create or establish the connection.
* This will be passed through the translation system to provide
* a localized version of the message.
*/
public QuickConnectException(String message, String translationKey) {
super(message);
this.translatableMessage = new TranslatableMessage(translationKey);
}
/**
* Create a new QuickConnectException given the human-readable message,
* which will not be passed through the translation system, and the
* translatableMessage, which will be passed through the translation system.
* Both parameters should describe the error preventing the connection
* from being created or established.
*
* @param message
* The human-readable message describing the error, which will not
* be passed through the translation system.
*
* @param translatableMessage
* The human-readable message describing the error, which will be
* passed through the translation system.
*/
public QuickConnectException(String message, TranslatableMessage translatableMessage) {
super(message);
this.translatableMessage = translatableMessage;
}
@Override
public TranslatableMessage getTranslatableMessage() {
return translatableMessage;
}
}

13
extensions/guacamole-auth-quickconnect/src/main/java/org/apache/guacamole/auth/quickconnect/utility/QCParser.java
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@@ -33,6 +33,7 @@ import java.util.regex.Pattern;
import org.apache.guacamole.GuacamoleClientException;
import org.apache.guacamole.GuacamoleServerException;
import org.apache.guacamole.GuacamoleException;
import org.apache.guacamole.auth.quickconnect.QuickConnectException;
import org.apache.guacamole.protocol.GuacamoleConfiguration;
/**
@@ -79,10 +80,12 @@ public class QCParser {
try {
qcUri = new URI(uri);
if (!qcUri.isAbsolute())
throw new GuacamoleClientException("URI must be absolute.");
throw new QuickConnectException("URI must be absolute.",
"QUICKCONNECT.ERROR_NOT_ABSOLUTE_URI");
}
catch (URISyntaxException e) {
throw new GuacamoleClientException("Invalid URI Syntax", e);
throw new QuickConnectException("Invalid URI Syntax",
"QUICKCONNECT.ERROR_INVALID_URI");
}
// Break out individual components of the URI.
@@ -99,7 +102,8 @@ public class QCParser {
if (protocol != null && !protocol.isEmpty())
qcConfig.setProtocol(protocol);
else
throw new GuacamoleClientException("No protocol specified.");
throw new QuickConnectException("No protocol specified.",
"QUICKCONNECT.ERROR_NO_PROTOCOL");
// Check for provided port number
if (port > 0)
@@ -109,7 +113,8 @@ public class QCParser {
if (host != null && !host.isEmpty())
qcConfig.setParameter("hostname", host);
else
throw new GuacamoleClientException("No host specified.");
throw new QuickConnectException("No host specified.",
"QUICKCONNECT.ERROR_NO_HOST");
// Look for extra query parameters and parse them out.
if (query != null && !query.isEmpty()) {

6
extensions/guacamole-auth-quickconnect/src/main/resources/translations/en.json
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@@ -6,6 +6,12 @@
"QUICKCONNECT" : {
"ACTION_CONNECT" : "Connect",
"ERROR_INVALID_URI" : "Invalid URI Specified",
"ERROR_NO_HOST" : "No host specified",
"ERROR_NO_PROTOCOL" : "No protocol specified",
"ERROR_NOT_ABSOLUTE_URI" : "URI is not absolute",
"FIELD_PLACEHOLDER_URI" : "Enter Connection URI"
}