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show wms get capabilities error
git-svn-id: http://svn.osgeo.org/qgis/trunk@14003 c8812cc2-4d05-0410-92ff-de0c093fc19c
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jef committed Aug 3, 2010
1 parent 665157b commit a97db4595ee47a105f5ab85a55059d2a3bd01bfa
@@ -5,14 +5,14 @@
* QgsVectorDataProvider, and does not yet make
* sense for Raster layers.
*/

class QgsRasterDataProvider : QgsDataProvider
{
%TypeHeaderCode
% TypeHeaderCode
#include <qgsrasterdataprovider.h>
%End
% End

public:
public:

//! If you add to this, please also add to capabilitiesString()
enum Capability
@@ -32,8 +32,8 @@ public:
/**
* Add the list of WMS layer names to be rendered by this server
*/
virtual void addLayers(const QStringList & layers,
const QStringList & styles = QStringList()) = 0;
virtual void addLayers( const QStringList & layers,
const QStringList & styles = QStringList() ) = 0;

//! get raster image encodings supported by (e.g.) the WMS Server, expressed as MIME types
virtual QStringList supportedImageEncodings() = 0;
@@ -46,18 +46,18 @@ public:
/**
* Set the image encoding (as a MIME type) used in the transfer from (e.g.) the WMS server
*/
virtual void setImageEncoding(const QString & mimeType) = 0;
virtual void setImageEncoding( const QString & mimeType ) = 0;

/**
* Set the image projection (in WMS CRS format) used in the transfer from (e.g.) the WMS server
*/
virtual void setImageCrs(const QString & crs) = 0;
virtual void setImageCrs( const QString & crs ) = 0;


// TODO: Document this better.
/** \brief Renders the layer as an image
*/
virtual QImage* draw(const QgsRectangle & viewExtent, int pixelWidth, int pixelHeight) = 0;
virtual QImage* draw( const QgsRectangle & viewExtent, int pixelWidth, int pixelHeight ) = 0;

/** Returns a bitmask containing the supported capabilities
Note, some capabilities may change depending on whether
@@ -73,9 +73,9 @@ public:


// TODO: Get the supported formats by this provider

// TODO: Get the file masks supported by this provider, suitable for feeding into the file open dialog box


/**
* Get metadata in a format suitable for feeding directly
@@ -96,7 +96,7 @@ public:
* \note The arbitraryness of the returned document is enforced by WMS standards
* up to at least v1.3.0
*/
virtual QString identifyAsText(const QgsPoint& point) = 0;
virtual QString identifyAsText( const QgsPoint& point ) = 0;

/**
* \brief Identify details from a server (e.g. WMS) from the last screen update
@@ -113,7 +113,7 @@ public:
*
* \note added in 1.5
*/
virtual QString identifyAsHtml(const QgsPoint& point) = 0;
virtual QString identifyAsHtml( const QgsPoint& point ) = 0;

/**
* \brief Returns the caption error text for the last error in this provider
@@ -137,16 +137,19 @@ public:
*/
virtual QString lastError() = 0;

/**Returns the dpi of the output device.
/**
* \brief Returns the format of the error text for the last error in this provider
*
* \note added in 1.6
*/
virtual QString lastErrorFormat();

/**Returns the dpi of the output device.
@note: this method was added in version 1.2*/
int dpi();

/**Sets the output device resolution.
@note: this method was added in version 1.2*/
void setDpi(int dpi);


protected:

void setDpi( int dpi );
};

@@ -1021,29 +1021,25 @@ void QgsWMSSourceSelect::showStatusMessage( QString const &theMessage )

void QgsWMSSourceSelect::showError( QgsWmsProvider * wms )
{
#if 0
QMessageBox::warning(
this,
wms->lastErrorTitle(),
tr( "Could not understand the response. The %1 provider said:\n%2", "COMMENTED OUT" )
.arg( wms->name() ).arg( wms->lastError() )
);
#endif

QgsMessageViewer * mv = new QgsMessageViewer( this );
mv->setWindowTitle( wms->lastErrorTitle() );
mv->setMessageAsPlainText( tr( "Could not understand the response. The %1 provider said:\n%2" )
.arg( wms->name() ).arg( wms->lastError() )
);

if ( wms->lastErrorFormat() == "text/html" )
{
mv->setMessageAsHtml( wms->lastError() );
}
else
{
mv->setMessageAsPlainText( tr( "Could not understand the response. The %1 provider said:\n%2" ).arg( wms->name() ).arg( wms->lastError() ) );
}
mv->showMessage( true ); // Is deleted when closed
}

void QgsWMSSourceSelect::on_cmbConnections_activated( int )
{
// Remember which server was selected.
QSettings settings;
settings.setValue( "/Qgis/connections-wms/selected",
cmbConnections->currentText() );
settings.setValue( "/Qgis/connections-wms/selected", cmbConnections->currentText() );
}

void QgsWMSSourceSelect::on_btnAddDefault_clicked()
@@ -25,13 +25,12 @@ QgsRasterDataProvider::QgsRasterDataProvider(): mDpi( -1 )
{
}


QgsRasterDataProvider::QgsRasterDataProvider( QString const & uri )
: QgsDataProvider( uri ), mDpi( -1 )
: QgsDataProvider( uri )
, mDpi( -1 )
{
}


QString QgsRasterDataProvider::capabilitiesString() const
{
QStringList abilitiesList;
@@ -53,4 +52,9 @@ bool QgsRasterDataProvider::identify( const QgsPoint& thePoint, QMap<QString, QS
return false;
}

QString QgsRasterDataProvider::lastErrorFormat()
{
return "text/plain";
}

// ENDS
@@ -172,6 +172,14 @@ class CORE_EXPORT QgsRasterDataProvider : public QgsDataProvider
*/
virtual QString lastError() = 0;

/**
* \brief Returns the format of the error text for the last error in this provider
*
* \note added in 1.6
*/
virtual QString lastErrorFormat();


/**Returns the dpi of the output device.
@note: this method was added in version 1.2*/
int dpi() const {return mDpi;}
@@ -727,6 +727,7 @@ void QgsWmsProvider::tileReplyFinished()
if ( !status.isNull() && status.toInt() >= 400 )
{
QVariant phrase = reply->attribute( QNetworkRequest::HttpReasonPhraseAttribute );
mErrorFormat = "text/plain";
mError = tr( "tile request err %1: %2" ).arg( status.toInt() ).arg( phrase.toString() );
emit statusChanged( mError );

@@ -808,6 +809,7 @@ void QgsWmsProvider::cacheReplyFinished()
if ( !status.isNull() && status.toInt() >= 400 )
{
QVariant phrase = cacheReply->attribute( QNetworkRequest::HttpReasonPhraseAttribute );
mErrorFormat = "text/plain";
mError = tr( "map request error %1: %2" ).arg( status.toInt() ).arg( phrase.toString() );
emit statusChanged( mError );

@@ -865,7 +867,16 @@ bool QgsWmsProvider::retrieveServerCapabilities( bool forceRefresh )

if ( httpcapabilitiesresponse.isEmpty() )
{
QgsDebugMsg( "empty capabilities: " + mError );
mErrorFormat = "text/plain";
mError = tr( "empty capabilities document" );
return false;
}

if ( httpcapabilitiesresponse.startsWith( "<html>" ) ||
httpcapabilitiesresponse.startsWith( "<HTML>" ) )
{
mErrorFormat = "text/html";
mError = httpcapabilitiesresponse;
return false;
}

@@ -919,11 +930,13 @@ void QgsWmsProvider::capabilitiesReplyFinished()

if ( httpcapabilitiesresponse.isEmpty() )
{
mErrorFormat = "text/plain";
mError = tr( "empty of capabilities: %1" ).arg( mCapabilitiesReply->errorString() );
}
}
else
{
mErrorFormat = "text/plain";
mError = tr( "Download of capabilities failed: %1" ).arg( mCapabilitiesReply->errorString() );
QgsDebugMsg( "error: " + mError );
httpcapabilitiesresponse.clear();
@@ -966,9 +979,12 @@ bool QgsWmsProvider::parseCapabilitiesDom( QByteArray const &xml, QgsWmsCapabili
if ( !contentSuccess )
{
mErrorCaption = tr( "Dom Exception" );
mError = tr( "Could not get WMS capabilities: %1 at line %2 column %3\n" )
.arg( errorMsg ).arg( errorLine ).arg( errorColumn )
+ tr( "This is probably due to an incorrect WMS Server URL." );
mErrorFormat = "text/plain";
mError = tr( "Could not get WMS capabilities: %1 at line %2 column %3\nThis is probably due to an incorrect WMS Server URL.\nResponse was:\n\n%4" )
.arg( errorMsg )
.arg( errorLine )
.arg( errorColumn )
.arg( QString( xml ) );

QgsLogger::debug( "Dom Exception: " + mError );

@@ -986,10 +1002,12 @@ bool QgsWmsProvider::parseCapabilitiesDom( QByteArray const &xml, QgsWmsCapabili
)
{
mErrorCaption = tr( "Dom Exception" );
mError = tr( "Could not get WMS capabilities in the "
"expected format (DTD): no %1 or %2 found\n" )
.arg( "WMS_Capabilities" ).arg( "WMT_MS_Capabilities" )
+ tr( "This is probably due to an incorrect WMS Server URL." );
mErrorFormat = "text/plain";
mError = tr( "Could not get WMS capabilities in the expected format (DTD): no %1 or %2 found.\nThis might be due to an incorrect WMS Server URL.\nTag:%3\nResponse was:\n%4" )
.arg( "WMS_Capabilities" )
.arg( "WMT_MS_Capabilities" )
.arg( docElem.tagName() )
.arg( QString( xml ) );

QgsLogger::debug( "Dom Exception: " + mError );

@@ -1825,11 +1843,13 @@ bool QgsWmsProvider::parseServiceExceptionReportDom( QByteArray const & xml )
if ( !contentSuccess )
{
mErrorCaption = tr( "Dom Exception" );
mError = tr( "Could not get WMS Service Exception at %1: %2 at line %3 column %4" )
mErrorFormat = "text/plain";
mError = tr( "Could not get WMS Service Exception at %1: %2 at line %3 column %4\n\nResponse was:\n\n%4" )
.arg( mBaseUrl )
.arg( errorMsg )
.arg( errorLine )
.arg( errorColumn );
.arg( errorColumn )
.arg( QString( xml ) );

QgsLogger::debug( "Dom Exception: " + mError );

@@ -1875,10 +1895,12 @@ void QgsWmsProvider::parseServiceException( QDomElement const & e )
QString seCode = e.attribute( "code" );
QString seText = e.text();

mErrorFormat = "text/plain";

// set up friendly descriptions for the service exception
if ( seCode == "InvalidFormat" )
{
mError = tr( "Request contains a Format not offered by the server." );
mError = tr( "Request contains a format not offered by the server." );
}
else if ( seCode == "InvalidCRS" )
{
@@ -2744,6 +2766,7 @@ void QgsWmsProvider::identifyReplyFinished()
if ( !status.isNull() && status.toInt() >= 400 )
{
QVariant phrase = mIdentifyReply->attribute( QNetworkRequest::HttpReasonPhraseAttribute );
mErrorFormat = "text/plain";
mError = tr( "map request error %1: %2" ).arg( status.toInt() ).arg( phrase.toString() );
emit statusChanged( mError );

@@ -2781,6 +2804,10 @@ QString QgsWmsProvider::lastError()
return mError;
}

QString QgsWmsProvider::lastErrorFormat()
{
return mErrorFormat;
}

QString QgsWmsProvider::name() const
{
@@ -579,9 +579,13 @@ class QgsWmsProvider : public QgsRasterDataProvider
* Interactive users of this provider can then, for example,
* call a QMessageBox to display the contents.
*/

QString lastError();

/**
* \brief Returns the format of the error message (text or html)
*/
QString lastErrorFormat();

/** return a provider name
Essentially just returns the provider key. Should be used to build file
@@ -884,6 +888,11 @@ class QgsWmsProvider : public QgsRasterDataProvider
*/
QString mError;


/** The mime type of the message
*/
QString mErrorFormat;

//! A QgsCoordinateTransform is used for transformation of WMS layer extents
QgsCoordinateTransform *mCoordinateTransform;

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