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costa
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/**
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* '$RCSfile$'
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* Copyright: 2005 University of New Mexico and the
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* Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* '$Author$'
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* '$Date$'
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* '$Revision$'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.advancedsearch;
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import java.util.ArrayList;
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/**
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* @author dcosta
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*
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* The AdvancedSearchPathQuery class holds the data needed to produce a
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* valid PathQuery XML string.
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*/
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public class AdvancedSearchPathQuery {
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// Object variables
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private String indent; // String of spaces
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private final int initialLength = 500; // Initial length of stringBuffer
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private StringBuffer stringBuffer; // Holds the pathquery xml
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private ArrayList returnFieldList = new ArrayList(); // List of returnfields
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private AdvancedSearchQueryGroup queryGroup; // The outer query group
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private String title; // The pathquery title
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/**
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* Constructor. Initializes the pathquery title, the main query group, and the
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* indent string.
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*
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* @param title the title of the pathquery
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* @param queryGroup the main query group
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* @param indent a string of spaces used for indenting output
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*/
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public AdvancedSearchPathQuery(final String title,
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final AdvancedSearchQueryGroup queryGroup,
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final String indent) {
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this.title = title;
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this.queryGroup = queryGroup;
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this.indent = indent;
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addReturnField("dataset/title");
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addReturnField("originator/individualName/surName");
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addReturnField("dataset/creator/individualName/surName");
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addReturnField("originator/organizationName");
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addReturnField("creator/organizationName");
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addReturnField("keyword");
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}
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/**
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* Adds a returnfield to the pathquery xml.
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*
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* @param s the name of the returnfield to add
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*/
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public void addReturnField(final String s) {
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returnFieldList.add(s);
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}
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/**
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* Creates the pathquery xml string.
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*
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* @return a string holding the PathQuery XML.
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*/
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public String toString() {
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String returnField;
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stringBuffer = new StringBuffer(initialLength);
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stringBuffer.append("<?xml version=\"1.0\"?>\n");
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stringBuffer.append("<pathquery version=\"1.2\">\n");
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stringBuffer.append(indent + "<querytitle>" +
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title + "</querytitle>\n");
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for (int i = 0; i < returnFieldList.size(); i++) {
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returnField = (String) returnFieldList.get(i);
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stringBuffer.append(indent + "<returnfield>" +
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returnField + "</returnfield>\n");
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}
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stringBuffer.append(queryGroup.toString());
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stringBuffer.append("</pathquery>\n");
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return stringBuffer.toString();
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}
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}
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