private void printPagination(XMLWriter xml) throws IOException {
// print all
if (this._totalPages < 5) {
for (int i = 1; i <= this._totalPages; i++) {
xml.element("page", String.valueOf(i));
}
} else {
long middle = 2;
long leftStart = this._currentPage - middle;
long rightEnd = this._currentPage + middle;
if (leftStart <= 0) {
rightEnd += Math.abs(leftStart) + 1;
leftStart = 1;
}
if (rightEnd > this._totalPages) {
leftStart -= Math.abs(rightEnd - this._totalPages);
rightEnd = this._totalPages;
}
for (long i = leftStart; i < rightEnd + 1; i++) {
xml.element("page", String.valueOf(i));
}
}
}
private void outputResults(
SearchQuery query, SearchResults results, List<FieldFacet> facets, XMLWriter xml)
throws IOException {
xml.openElement("index-search", true);
xml.openElement("facets");
for (FieldFacet facet : facets) {
facet.toXML(xml);
}
xml.closeElement();
query.toXML(xml);
results.toXML(xml);
xml.closeElement();
}
@Override
public void processMultiple(Collection<IndexMaster> indexes, ContentRequest req, XMLWriter xml)
throws BerliozException, IOException {
String facets = req.getParameter("facets", "");
int maxNumber = req.getIntParameter("max-facets", 20);
// get first catalog as they should all have the same one
SearchQuery query = buildQuery(req, indexes.iterator().next().getCatalog());
if (query == null) {
xml.emptyElement("index-search");
return;
}
SearchPaging paging = buildPaging(req);
ArrayList<Index> theIndexes = new ArrayList<Index>();
for (IndexMaster index : indexes) {
theIndexes.add(index.getIndex());
}
try {
SearchResults results = LuceneIndexQueries.query(theIndexes, query, paging);
List<FieldFacet> facetsList =
Facets.getFacets(
Arrays.asList(facets.split(",")), maxNumber, query.toQuery(), theIndexes);
outputResults(query, results, facetsList, xml);
} catch (IndexException ex) {
LOGGER.warn(
"Fail to retrieve search result using query: {}", (Object) query.toString(), (Object) ex);
}
}
@Override
public void process(ContentRequest req, XMLWriter xml) throws BerliozException, IOException {
Runtime runtime = Runtime.getRuntime();
xml.openElement("runtime");
xml.attribute("processors", runtime.availableProcessors());
// Memory information
xml.openElement("memory");
xml.attribute("free", Long.toString(runtime.freeMemory()));
xml.attribute("total", Long.toString(runtime.totalMemory()));
xml.attribute("max", Long.toString(runtime.maxMemory()));
xml.closeElement();
xml.closeElement();
}
@Override
public void processSingle(IndexMaster index, ContentRequest req, XMLWriter xml)
throws BerliozException, IOException {
String facets = req.getParameter("facets", "");
int maxNumber = req.getIntParameter("max-facets", 20);
SearchQuery query = buildQuery(req, index.getCatalog());
if (query == null) {
xml.emptyElement("index-search");
return;
}
SearchPaging paging = buildPaging(req);
try {
SearchResults results = index.query(query, paging);
List<FieldFacet> facetsList =
Facets.getFacets(
Arrays.asList(facets.split(",")), maxNumber, query.toQuery(), index.getIndex());
outputResults(query, results, facetsList, xml);
} catch (IndexException ex) {
LOGGER.warn(
"Fail to retrieve search result using query: {}", (Object) query.toString(), (Object) ex);
}
}
private void toXML(XMLWriter xml, PSProject project, Status status) throws IOException {
xml.openElement("create-project");
xml.attribute("name", this.project.getName());
xml.attribute("status", status.name());
xml.closeElement();
}
@Override
public void toXML(XMLWriter xml) throws IOException {
xml.openElement("results");
xml.attribute("total", String.valueOf(this._numFound));
xml.attribute("start", String.valueOf(this._start));
xml.attribute("row", String.valueOf(this._row));
xml.attribute("last-page", String.valueOf(this._totalPages));
xml.attribute("current-page", String.valueOf(this._currentPage));
if (this._totalPages > 1) {
xml.openElement("pages");
printPagination(xml);
xml.closeElement(); // pages
}
// query
xml.openElement("query");
for (String name : this._query.getParameterNames()) {
xml.openElement("param");
xml.attribute("name", name);
String[] values = this._query.getParams(name);
if (values != null) {
if (values.length == 1) xml.attribute("value", values[0]);
else {
StringBuilder sb = new StringBuilder();
for (String value : values) {
sb.append(',').append(value);
}
xml.attribute("value", sb.substring(1));
}
}
xml.closeElement(); // param
}
xml.closeElement(); // query
xml.closeElement(); // result
}
/**
* Writes the XML response for this header.
*
* <pre class="xml">{@code
* <header>
* <!-- Deprecated in Berlioz 1.0 -->
* <group>[service group name]</group>
* <service>[service name]</service>
* <path-info>[berlioz path]</path-info>
* <context-path>[servlet context path]</context-path>
* <!-- Deprecated in Berlioz 1.0 -->
* <host>[server host]</host>
* <port>[server port]</port>
* <url>[url (up to query)]</url>
* <query-string>[query string]</query-string>
* <!-- End deprecated in Berlioz 1.0 -->
* <location scheme="[http|https]"
* host="[hostname]"
* port="[post]"
* path="[path]"
* base="[base]"
* query="[query]">[full url]</location>
* <path context="[servlet context path]"
* prefix="[prefix if berlioz mapped to a prefix]"
* info="[berlioz path]"
* extension="[prefix if berlioz mapped to an extension]"/>
* <http-parameters>
* <parameter name="[name-A]">[value-A]</parameter>
* <parameter name="[name-B]">[value-B1]</parameter>
* <parameter name="[name-B]">[value-B2]</parameter>
* <parameter name="[name-C]">[value-C]</parameter>
* <parameter name="[name-D]">[value-D]</parameter>
* <!-- ... -->
* </http-parameters>
* <uri-parameters>
* <parameter name="[name-X]">[value-X]</parameter>
* <parameter name="[name-Y]">[value-Y]</parameter>
* <!-- ... -->
* </uri-parameters>
* <berlioz version="[version]" mode="[mode]"/>
* </header>
* }</pre>
*
* @see XMLWritable#toXML(org.pageseeder.xmlwriter.XMLWriter)
* @param xml The XML Writer to use.
* @throws IOException If thrown by the underlying XML Writer.
*/
@Override
public void toXML(XMLWriter xml) throws IOException {
HttpServletRequest req = this._core.request();
boolean compatibility =
GlobalSettings.has(BerliozOption.XML_HEADER_COMPATIBILITY)
&& !"1.0".equals(GlobalSettings.get(BerliozOption.XML_HEADER_VERSION));
// start serialising
xml.openElement("header", true);
if (compatibility) {
xml.writeComment("Elements below will be deprecated in Berlioz 1.0");
xml.element("group", this._group);
xml.element("service", this._service);
xml.writeComment("Use 'path' instead");
xml.element("path-info", HttpRequestWrapper.getBerliozPath(req));
xml.element("context-path", req.getContextPath());
xml.writeComment("Use 'location' instead");
xml.element("scheme", req.getScheme());
xml.element("host", req.getServerName());
xml.element("port", Integer.toString(req.getServerPort()));
xml.element("url", req.getRequestURL().toString());
xml.element("query-string", req.getQueryString());
xml.writeComment("End deprecated elements");
}
// New location info
Location location = this._core.location();
if (location != null) {
location.toXML(xml);
PathInfo path = location.info();
path.toXML(xml);
}
// Write the http parameters
xml.openElement("http-parameters", true);
Enumeration<?> names = req.getParameterNames();
while (names.hasMoreElements()) {
String paramName = (String) names.nextElement();
String[] values = req.getParameterValues(paramName);
for (String value : values) {
xml.openElement("parameter", false);
xml.attribute("name", paramName);
xml.writeText(value);
xml.closeElement();
}
}
xml.closeElement(); // close http-parameters
// Write the URI parameters
if (this._results != null) {
Set<String> unames = this._results.names();
xml.openElement("uri-parameters", !unames.isEmpty());
for (String name : unames) {
Object value = this._results.get(name);
xml.openElement("parameter", false);
xml.attribute("name", name);
xml.writeText(value != null ? value.toString() : "");
xml.closeElement();
}
xml.closeElement();
}
// Include Berlioz version and mode
xml.openElement("berlioz");
xml.attribute("version", GlobalSettings.getVersion());
xml.attribute("mode", GlobalSettings.getMode());
xml.closeElement();
xml.closeElement(); // close header
}
