org.argeo.cms/src/org/argeo/cms/dav/DavPropfind.java

   1 package org.argeo.cms.dav;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.util.ArrayList;
   6 import java.util.List;
   7
   8 import javax.xml.namespace.QName;
   9 import javax.xml.stream.FactoryConfigurationError;
  10 import javax.xml.stream.XMLInputFactory;
  11 import javax.xml.stream.XMLStreamException;
  12 import javax.xml.stream.XMLStreamReader;
  13
  14 public class DavPropfind {
  15         private DavDepth depth;
  16         private boolean propname = false;
  17         private boolean allprop = false;
  18         private List<QName> props = new ArrayList<>();
  19
  20         public DavPropfind(DavDepth depth) {
  21                 this.depth = depth;
  22         }
  23
  24         public boolean isPropname() {
  25                 return propname;
  26         }
  27
  28         public void setPropname(boolean propname) {
  29                 this.propname = propname;
  30         }
  31
  32         public boolean isAllprop() {
  33                 return allprop;
  34         }
  35
  36         public void setAllprop(boolean allprop) {
  37                 this.allprop = allprop;
  38         }
  39
  40         public List<QName> getProps() {
  41                 return props;
  42         }
  43
  44         public DavDepth getDepth() {
  45                 return depth;
  46         }
  47
  48         public static DavPropfind load(DavDepth depth, InputStream in) throws IOException {
  49                 try {
  50                         DavPropfind res = null;
  51                         XMLInputFactory inputFactory = XMLInputFactory.newFactory();
  52                         XMLStreamReader reader = inputFactory.createXMLStreamReader(in);
  53                         while (reader.hasNext()) {
  54                                 reader.next();
  55                                 if (reader.isStartElement()) {
  56                                         QName name = reader.getName();
  57 //              System.out.println(name);
  58                                         DavXmlElement davXmlElement = DavXmlElement.toEnum(name);
  59                                         if (davXmlElement != null) {
  60                                                 switch (davXmlElement) {
  61                                                 case propfind:
  62                                                         res = new DavPropfind(depth);
  63                                                         break;
  64                                                 case allprop:
  65                                                         res.setAllprop(true);
  66                                                         break;
  67                                                 case propname:
  68                                                         res.setPropname(true);
  69                                                 case prop:
  70                                                         // ignore
  71                                                 case include:
  72                                                         // ignore
  73                                                         break;
  74                                                 default:
  75                                                         // TODO check that the format is really respected
  76                                                         res.getProps().add(reader.getName());
  77                                                 }
  78                                         }
  79                                 }
  80                         }
  81
  82                         // checks
  83                         if (res.isPropname()) {
  84                                 if (!res.getProps().isEmpty() || res.isAllprop())
  85                                         throw new IllegalArgumentException("Cannot set other values if propname is set");
  86                         }
  87                         return res;
  88                 } catch (FactoryConfigurationError | XMLStreamException e) {
  89                         throw new RuntimeException("Cannot load propfind", e);
  90                 }
  91         }
  92 }