New JSF Presentation

Hi,
I gave a presentation recently on JavaServer Faces. It may be of use to someone. By no means am I an authority on JSF. Please don't hesitate to send comments/correction: [email protected]

Oh yeah. The URL would help :)
http://cafe.cs.umd.edu:8668/space/JavaServer+Faces

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    I've got a problem to install the new JSF release. I downloaded the Web Services Developer Pack 1.3 from the homepage and installed it. Then, i downloaded the actual release of the JSF 1.0 as a zip file. I removed the existing jsf directory in the original WSDP and extracted the zip file into the home directory of the WSDP. Then I renamed the directory from jsf-1.0 to jsf and started the tomcat again.
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    INFO: Initializing Coyote HTTP/1.1 on port 8080
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    INFO: Starting service Java Web Services Developer Pack
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    SEVERE: Skipped installing application listeners due to previous error(s)
    Mar 19, 2004 1:43:54 PM org.apache.catalina.core.StandardContext start
    SEVERE: Error listenerStart
    Mar 19, 2004 1:43:54 PM org.apache.catalina.core.StandardContext start
    SEVERE: Context startup failed due to previous errors
    Mar 19, 2004 1:43:54 PM org.apache.catalina.logger.LoggerBase stop
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    Mar 19, 2004 1:43:54 PM org.apache.catalina.core.StandardHostDeployer install
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    Mar 19, 2004 1:44:03 PM org.apache.catalina.core.StandardHostDeployer install
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    Mar 19, 2004 1:44:40 PM org.apache.catalina.core.StandardHostDeployer install
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    Mar 19, 2004 1:44:53 PM org.apache.catalina.core.StandardContext start
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    So what's wrong with my installation.
    kind regards, Ingo

    Your server may be in an unstable state if you did not remove all of the old cached files.
    I recommend you clear out your <JWSDP_HOME>/work directory and remove all the <JWSDP_HOME>/conf/Catalina/localhost/jsf* files and restart your server.
    Thanks,
    Justyna

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    * @author mock
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        private String address=null;
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        public ToCompare() {
            this("defaultHost");       
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    * Created on 10. Februar 2006, 10:43
    *  This class is used to provide a method for
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    *  containing either IP adresses or hostnames.
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    import java.text.CollationKey;
    import java.text.Collator;
    import java.util.Comparator;
    import java.util.Locale;
    * @author mock
    public class RcHostComparator implements Comparator
         * holds the IP or Host address
        private String address=null;
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         * to provide a performant way of comparing it with another
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         *  @ see java.text.Collator
         *  @ see java.text.CollationKey
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        private int[] intValues=null;
         * minimum for IP bytes/ints
        private static final int minIntValue=0;
         * maximum for IP bytes/ints
        private static final int maxIntValue=255;
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         *  @ param aAddress  - holds the IP or Host address
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                 Collator _localeCollator=Collator.getInstance(Locale.getDefault());
                 hostnameCollationKey=_localeCollator.getCollationKey(address);
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         *  Here the comparison of the address fields is done.
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         *  -2 aObject1 IP, aObject2 Hostname
         *  -3 aObject1 Hostname, aObject2 IP
         *  -4 both IPs
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               RcHostComparator _ipComparator2=(RcHostComparator)aObject2;
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               if(!_ipComparator1.isIPAddress()&&!_ipComparator2.isIPAddress()){
                       *  If both addresses are Strings use collationKey.compareTo(Object o)
                    _result=_ipComparator1.getHostnameCollationKey().compareTo(_ipComparator2.getHostnameCollationKey());
               }else{
                       *  IPs are smaller than Strings -> aObject1 < aObject2
                    if(_ipComparator1.isIPAddress()&&!_ipComparator2.isIPAddress()){
                         _result=-1;
                    }else{
                                *  IPs are smaller than Strings -> aObject1 > aObject2
                         if(!_ipComparator1.isIPAddress()){
                              _result=1;
                         }else{
                             int _intIndex=0;
                             int[] _int1=_ipComparator1.getIntValues();
                             int[] _int2=_ipComparator2.getIntValues();
                                      * compare IP adresses per bytes
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                                       _result=1;
                                  }else if(_int1[_intIndex]<_int2[_intIndex]){
                                       _result=-1;
                                  }else{}                            
                                             _intIndex++;
          }else{}   
          return _result;
         *  checks if the address field holds an IP or a hostname
         *  if (_isIP) fill intValues[] with IP bytes
         *  if (!isIP)  create hostnameCollationKey
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           String[] _getInts=null;
            *  basic check for IP address pattern
            *  4 digits also allowed, cause leading
            *  0 stands for octet number ->
            *  0172=122                  ->
            *  0172.0172.0172.0172 = 122.122.122.122
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                intValues=new int[4];
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                   try{                     
                       int _toIntValue;
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                                // if leading 0 parse as octet -> radix=8
                               _toIntValue=Integer.parseInt(_getInts[_count], 8);                          
                       }else{  
                                // parse as is -> radix=10 -> (optional)
                               _toIntValue=Integer.parseInt(_getInts[_count]);                          
                       if(_toIntValue<minIntValue||_toIntValue>maxIntValue){
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                              return _isIP;
                       }else{
                              // inside byte range -> could be part of an IP
                              intValues[_count]=_toIntValue;
                   }catch(NumberFormatException e){
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                           return _isIP;
               // all 4 bytes/ints are parseable and in unsigned byte range -> this is an IP
                _isIP=true;
           }else{}      
           return _isIP;
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                return isIPAddress;
        public int[] getIntValues() {
                return intValues;
        public CollationKey getHostnameCollationKey() {
                return hostnameCollationKey;
        public String getAddress()
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    }The page bean holds an array of ToCompare objects. It is the model for a new table component, hold by an ObjectArrayDataProvider. Here a code excerpt:
    public class Page1 extends AbstractPageBean
        private ToCompare[] toCompare= new ToCompare[]{
            new ToCompare("1.1.1.1"),
            new ToCompare("2.1.1.1"),
            new ToCompare("9.1.1.1"),
            new ToCompare("11.1.1.1"),
            new ToCompare("0172.0172.0172.0172"),
            new ToCompare("123.1.1.1"),
            new ToCompare("a"),
            new ToCompare("o"),
            new ToCompare("u"),
            new ToCompare("z"),
            new ToCompare("�"),      
            new ToCompare("�"),
            new ToCompare("�")        
         * This method is automatically generated, so any user-specified code inserted
         * here is subject to being replaced
        private void _init() throws Exception
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        private TableRowGroup tableRowGroup1 = new TableRowGroup();   
        private ObjectArrayDataProvider objectArrayDataProvider1 = new ObjectArrayDataProvider();
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      <ui:tableColumn binding="#{Page1.tableColumn1}" headerText="SortIP" id="tableColumn1" sort="#{currentRow.value['hostComparator']}">
        <ui:staticText binding="#{Page1.staticText1}" id="staticText1" text="#{currentRow.value['address']}"/>
      </ui:tableColumn>
      <ui:tableColumn binding="#{Page1.tableColumn2}" headerText="SortString" id="tableColumn2" sort="address">
        <ui:staticText binding="#{Page1.staticText2}" id="staticText2" text="#{currentRow.value['address']}"/>
      </ui:tableColumn>
    </ui:tableRowGroup>Sorting localized with Locale="DE_de" according to ip/hostcompare sorts:
    SortIP
    1.1.1.1
    2.1.1.1
    9.1.1.1
    11.1.1.1
    0172.0172.0172.0172
    123.1.1.1
    a
    �
    o
    �
    u
    �
    zWhereas normal sort over String address whitout localization sorts:
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    0172.0172.0172.0172
    1.1.1.1
    11.1.1.1
    123.1.1.1
    2.1.1.1
    9.1.1.1
    a
    o
    u
    z
    �
    �
    �Not that short, but I hope it will help - if anyone has the need for another than the default sorting algorithms
    Best regards,
    Hate E. Lee

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