Hi
Are there one or more libraries missing from the dependent folder in
dbforms2.5 ?
When I uses the cewold/piechart stuff I get an image generated which
contains a java exception instead of a pie chart. From log4j lofile I
can see:
01 mar 2005 19:11:35,921 ERROR
org.apache.catalina.core.ApplicationContext.log(ApplicationContext.java:662)
CewolfServlet: org/apache/batik/svggen/SVGGraphics2D
java.lang.NoClassDefFoundError: org/apache/batik/svggen/SVGGraphics2D
at
de.laures.cewolf.taglib.ChartImageDefinition.ensureRendered(ChartImageDefinition.java:138)
at
de.laures.cewolf.taglib.ChartImageDefinition.getSize(ChartImageDefinition.java:145)
at de.laures.cewolf.CewolfRenderer.doGet(CewolfRenderer.java:144)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:534)
On Sat, 26 Feb 2005 17:14:01 +0100, Henner Kollmann
<[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I just released a new version:
>
> Release Notes for DbForms Version 2.5, 2004-02-26
>
> Contents:
> 1) About this release
> 2) Details about enhancements and changes
> 2-1) New features
> 2-1-1) Support for charting
> 2-1-2) Support for calc fields
> 2-1-3) Support for boolean fields
> 2-2) Changes to the tag library
> 2-2-1) New tag: hasError
> 2-2-2) New tag: setCustomFormatter
> 2-2-3) Added new custom formatter attribute to rendering tags
> 2-2-4) Deprecate the formatter attribute
> 2-2-5) New tag: redirectUrl
> 2-2-6) New option to handle empty data sets in DbSelectTag
> 2-2-7) New option to force state to checked in DbCheckboxTag
> 2-2-8) Enable editing of blob columns in textarea tag
> 2-3) Changed interceptor interface
> 2-4) Changes in BLOB handling
> 2-5) New report systems to create excel spreadsheet and comma
> separated values reports
> 2-6) Others
> 2-6-1) Make searching smarter
> 2-6-2) Changed logging system
> 2-6-3) Make dbforms jdk 1.5 compliant
>
> 1) About this release
> ---------------------
>
> DbForms 2.5 is the next release to be labelled production/stable. It
> is the result of further development of the 2.5-SNAPSHOT
> releases. Changes made in those releases are included and described
> below.
>
> Please report any problems or comments to the DbForms mailing list:
>
> [email protected]
>
> This document summarizes the changes since release 2.4 that are of
> interest to end users. Note that there have also been several internal
> enhancements to DbForms which are documented only within the
> source code (e.g. code cleanup, improved algorithms).
>
> 2) Details about enhancements and changes
> --------------------------------------------
>
> 2-1) New features
> --------------------
>
> 2-1-1) Support for charting
> ----------------------------
> We added support for charting using cewolf and jfree chart.
> In this first release, we support pie data only.
> Reference:
> cewolf.sourceforge.net
> www.jfree.org/jfreechart
>
> To generate a pie chart, add the <db:pieData> tag inside a <db:dbform>
> to your page:
>
> <cewolf:chart
> id="pieChart"
> title='Books per Author'
> type="pie"
> >
> <cewolf:data>
> <db:pieData
> categoryField="NAME"
> dataField="C"
> />
> </cewolf:data>
> </cewolf:chart>
> <cewolf:img chartid="pieChart" renderer="/cewolf"
> width="800" height="400"/>
>
> This will generate a pie chart with the categoryField taken from the
> NAME field of your dbforms resultset and the dataField from the
> field C.
>
> See howto/howtoMakeaPieChart.jsp for a working example!
>
> 2-1-2) Support for calc fields
> ------------------------------
>
> Added support for calculated fields. These fields are defined in the
> config file and should/could be calculated in the preAddRow, postAddRow,
> or postSelect interceptor. See bookstore tests/testSearchAndCalcFields.jsp
> and
> BookstoreCalcFieldAndSearchInterceptor.java for an example of how to use
> the calc fields. This example also showa how to calculate a rownum for the
> current resultset to all a display of recno/countofrecord in your pages.
>
> 2-1-3) Support for boolean fields
> ----------------------------------
> It is now possible to use boolean fields within a dbforms-config table
> definition to correspond with an SQL column of boolean type. Usage is
> FieldType="bool".
>
> 2-2) Changes to the tag library
> ----------------------------------
>
> 2-2-1) New tag: hasError
> -------------------------
> This tag renders its body when an error occurs during dbfroms processing.
>
> 2-2-2) New tag: setCustomFormatter
> -----------------------------------
> Registers a Custom Formatter for later use. The registered class must
> implement the org.dbforms.util.Formatter interface. when a new instance
> of the object is instantiated, it is initialized with an 'arg' value and
> given a name such as 'xyz'. The name exists in the session space. Other
> tags that utilize the custom formatter use the attribute
> customFormatter='xyz', where 'xyz' is the registered name. Multiple
> instances of the same object can exist with different names and initial
> values for arg.
>
> At runtime the setLocale() method of the class will be called.
> Subsequently, the sprintf(Object[] data) method will be called,
> where data is an array of 3 values. Element data[0] is a string of text
> (i.e. what would normally be displayed), data[1] is the current field of
> type Field, and data[2] is the invoking tag of type Tag. Methods should
> be sure to check for null values in the input.
>
> See bookstore/howto/howtoUseTheCustomFormatter.jsp for an example!
>
> 2-2-3) Added new custom formatter attribute to rendering tags
> --------------------------------------------------------------
> The customFormatter attribute has been added to all output tags. This
> attribute is set to the name of a formatting instance registered
> previously in the setCustomFormatter tag. The attribute will cause
> custom formatting to occur.
>
> See setCustomFormatter and bookstore/howto/howtoUseTheCustomFormatter.jsp
> for an example!
>
> 2-2-4) Deprecate the formatter attribute
> -----------------------------------------
> The formatter attribute is deprecated in this version and will be
> removed in the next (2.6) release. It is superceded by the
> customFormatter tag and attribute which gives more control over
> formatting.
>
> 2-2-5) New tag: redirectUrl
> ----------------------------
> This tag forces a redirect to a DbForms view. This tag is similar to
> the linkURL tag--the attributes are the same-- but, instead of
> generating a href link that must be clicked to be activated, this tag
> performs an immediate response.sendRedirect().
>
> 2-2-6) New option to handle empty data sets in DbSelectTag
> -----------------------------------------------------------
> - ifEmptyItem:
> Item to be used if there is no embedded data
> Arguments to this tag are as follows: Key,Description
> - ifEmptyDontDraw
> Do not draw the Select box if there is no data
>
> 2-2-7) New option to force state to checked in DbCheckboxTag
> -------------------------------------------------------------
> - force:
> If set to TRUE, the state of the checkbox will be set if the checked
>
> attribute is also set to TRUE, whether in insert state or not.
> Otherwise, the attribute checked is only used when in insert mode.
>
> 2-2-8) Enable editing of blob columns in textarea tag
> ------------------------------------------------------
> It is now possible to EDIT blob columns from within textarea form tag.
> Here is a simple example:
> <db:textAreaForBlobs fieldName="BODY" renderBody="true">
> <db:blobContent fieldName="BODY"/>
> </db:textAreaForBlobs>
> Currently the text will be inserted into the database using the system
> default character set, which generally depends on your locale settings.
>
> 2-3) Changed interceptor interface
> -------------------------------------
> The interceptor interfaces have been changed again, this time without
> breaking backwards compatibility (I hope!), to be able to pass arbitrary
> amounts of data to the interceptors.
>
> The signature for all interceptors is now just
>
> public int interceptor(DbEventInterceptorData data)
>
> The DbEventInterceptorData object will be consistent between the call
> from pre/post Interceptors. So it is now possible to transport data
> between the two calls using simple data.setAttribute and
> data.getAttribute calls. This is much easier than storing the data in
> the request object as was previously required.
>
> There are some standard attributes that will be filled from dbforms
> before an interceptor is called:
>
> /** filled with FieldValues array during insert, delete and update events
> */
> public static final String FIELDVALUES = "fieldValues";
>
> /** filled with KeyValues string during delete and update events */
> public static final String KEYVALUES = "keyValues";
>
> /** filled with current ResultsetVector during AddRow and Select events
> */
> public static final String RESULTSET = "ResultSetVector";
>
> /** filled with objectrow which should be added during AddRow events */
> public static final String OBJECTROW = "ObjectRow";
>
> /** filled with the currently used connection name in all events */
> public static final String CONNECTIONNAME = "connectionName";
>
> /** filled with the pageContext during select events */
> public static final String PAGECONTEXT = "pageContext";
>
> There are two new interceptors called during filling of the ResultSetVector:
>
> public int preAddRow(DbEventInterceptorData data)
> throws ValidationException, MultipleValidationException;
>
> public void postAddRow(DbEventInterceptorData data);
>
> 2-4) Changes in BLOB handling
> --------------------------------
> BlobInterceptor (src/org/dbforms/event/BlobInterceptor.java) can now
> optionaly save the mime type and file size of an uploaded file if
> additional parameters are provided in dbforms-config.xml as shown below.
>
> <interceptor className="org.dbforms.event.BlobInterceptor">
> <param name="blob-column" value="BODY"/>
> <param name="name-column" value="FILE_NAME"/>
> <param name="mime-column" value="MIME_TYPE"/>
> <param name="size-column" value="BODY_SIZE"/>
> </interceptor>
>
> 2-5) New report systems to create excel spreadsheet and comma separated
> values reports
> --------------------------------------------------------------------------
> There are two new reporting servlets: one to generate excel spreadsheets
> without the need to define a jasperreport and another to generate simple
> comma separated csv files. Both need a definition file containing a
> list of fields that are to be exported. For example, a list of fields
> looks like BOOK_ID,ISBN,AUTHOR_ID,TITLE.
>
> See bookstore example books.xr and howto/howtoPrintaExcelReport.jsp for
> details.
>
> 2-6) Others
> --------------
>
> 2-6-1) Make searching smarter
> -----------------------------
> If there is a field in the new table with the same name and type as in
> the old one then take searchvalues from that field. For example, filter
> 12.10.2004 18:00-19:00 means 12.10.2004 18:00 - 12.10.2004 19:00 rather
> than 12.10.2004 18:00 - <current date> 19:00 as in the past.
>
> 2-6-2) Changed logging system
> -----------------------------
> The logging system has been changed from the log4j logging to the more
> general apache common logging classes. This change is more compatible
> with tomcat which also uses the common logging system. Therefore, if you
> do not define your own logging settings (see log4j.configuration
> parameter in config servlet) the settings from the tomcat container
> will be used.
>
> 2-6-3) Make dbforms jdk 1.5 compliant
> -------------------------------------
> Beginning with this version DBForms fully supports jdk 1.5. This
> version is built with jdk 1.5. Please report jdk-related problems to the
> mailing list.
>
> Cheers,
> Henner
>
> -------------------------------------------------------
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--
best regards
Audun
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