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http property browser: don't crash on invalid nodes

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Don't expect users to always pass valid node names
or paths
This commit is contained in:
Torsten Dreyer 2014-03-10 23:40:42 +01:00
parent 7c2ce9acf7
commit 64c393d022
1 changed files with 19 additions and 3 deletions
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22
src/Network/http/PropertyUriHandler.cxx
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@ -240,7 +240,12 @@ bool PropertyUriHandler::handleGetRequest( const HTTPRequest & request, HTTPResp
// update leaf
string value = request.RequestVariables.get("value");
SG_LOG(SG_NETWORK,SG_INFO, "httpd: setting " << propertyPath << " to '" << value << "'" );
fgSetString( propertyPath.c_str(), value );
try {
fgSetString( propertyPath.c_str(), value );
}
catch( string & s ) {
SG_LOG(SG_NETWORK,SG_ALERT, "httpd: setting " << propertyPath << " to '" << value << "' failed: " << s );
}
}
if( request.RequestVariables.get("submit") == "set" ) {
@ -248,7 +253,12 @@ bool PropertyUriHandler::handleGetRequest( const HTTPRequest & request, HTTPResp
if( it->first == "submit" ) continue;
string pp = propertyPath + "/" + it->first;
SG_LOG(SG_NETWORK,SG_INFO, "httpd: setting " << pp << " to '" << it->second << "'" );
fgSetString( pp, it->second );
try {
fgSetString( pp, it->second );
}
catch( string & s ) {
SG_LOG(SG_NETWORK,SG_ALERT, "httpd: setting " << pp << " to '" << it->second << "' failed: " << s );
}
}
}
@ -273,7 +283,13 @@ bool PropertyUriHandler::handleGetRequest( const HTTPRequest & request, HTTPResp
DOMNode * body = new DOMNode( "body" );
html->addChild( body );
SGPropertyNode_ptr node = fgGetNode( string("/") + propertyPath );
SGPropertyNode_ptr node;
try {
node = fgGetNode( string("/") + propertyPath );
}
catch( string & s ) {
SG_LOG(SG_NETWORK,SG_ALERT, "httpd: reading '" << propertyPath << "' failed: " << s );
}
if( false == node.valid() ) {
DOMNode * headline = new DOMNode( "h3" );
body->addChild( headline );