com.marklogic.rest.util.Fragment Maven / Gradle / Ivy

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Java client for the MarkLogic REST Management API and for deploying applications to MarkLogic
There is a newer version: 5.0.0
/*
 * Copyright (c) 2023 MarkLogic Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.marklogic.rest.util;

import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.Namespace;
import org.jdom2.filter.Filters;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;
import org.jdom2.xpath.XPathExpression;
import org.jdom2.xpath.XPathFactory;

import java.io.StringReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;

public class Fragment {

    private Document internalDoc;
    private Namespace[] namespaces;

    public Fragment(Fragment other) {
        this.internalDoc = other.internalDoc;
        this.namespaces = other.namespaces;
    }

    public Fragment(String xml, Namespace... namespaces) {
        try {
            internalDoc = new SAXBuilder().build(new StringReader(xml));
            List list = new ArrayList<>();
	        list.add(Namespace.getNamespace("arp", "http://marklogic.com/manage/alert-rule/properties"));
            list.add(Namespace.getNamespace("c", "http://marklogic.com/manage/clusters"));
			list.add(Namespace.getNamespace("cert", "http://marklogic.com/xdmp/x509"));
			list.add(Namespace.getNamespace("cts", "http://marklogic.com/cts"));
            list.add(Namespace.getNamespace("db", "http://marklogic.com/manage/databases"));
            list.add(Namespace.getNamespace("es", "http://marklogic.com/entity-services"));
            list.add(Namespace.getNamespace("f", "http://marklogic.com/manage/forests"));
	        list.add(Namespace.getNamespace("g", "http://marklogic.com/manage/groups"));
	        list.add(Namespace.getNamespace("h", "http://marklogic.com/manage/hosts"));
            list.add(Namespace.getNamespace("m", "http://marklogic.com/manage"));
            list.add(Namespace.getNamespace("msec", "http://marklogic.com/manage/security"));
	        list.add(Namespace.getNamespace("pki", "http://marklogic.com/xdmp/pki"));
	        list.add(Namespace.getNamespace("req", "http://marklogic.com/manage/requests"));
	        list.add(Namespace.getNamespace("qr", "http://marklogic.com/manage/query-roleset/properties"));
	        list.add(Namespace.getNamespace("s", "http://marklogic.com/manage/servers"));
            list.add(Namespace.getNamespace("sec", "http://marklogic.com/xdmp/security"));
			list.add(Namespace.getNamespace("ts", "http://marklogic.com/manage/task-server"));
	        list.add(Namespace.getNamespace("t", "http://marklogic.com/manage/tasks"));
			list.addAll(Arrays.asList(namespaces));
            this.namespaces = list.toArray(new Namespace[] {});
        } catch (Exception e) {
            throw new RuntimeException(String.format("Unable to parse XML, cause: %s; XML: %s", e.getMessage(), xml), e);
        }
    }

    public void prettyPrint() {
        System.out.println(getPrettyXml());
    }

    public String getPrettyXml() {
        return new XMLOutputter(Format.getPrettyFormat()).outputString(internalDoc);
    }

    public boolean elementExists(String xpath) {
        return evaluateForElements(xpath).size() > 0;
    }

    public List getElementValues(String xpath) {
        List values = new ArrayList<>();
        for (Element el : evaluateForElements(xpath)) {
            values.add(el.getText());
        }
        return values;
    }

    public String getElementValue(String xpath) {
        List values = getElementValues(xpath);
        return values.isEmpty() ? null : values.get(0);
    }

    public List getElements(String xpath) {
        return evaluateForElements(xpath);
    }

    protected List evaluateForElements(String xpath) {
        XPathFactory f = XPathFactory.instance();
        XPathExpression expr = f.compile(xpath, Filters.element(), new HashMap<>(), namespaces);
        return expr.evaluate(internalDoc);
    }

    public Document getInternalDoc() {
        return internalDoc;
    }
}