evolvedbinary / elemental / 982

Committed 29 Apr 2025 08:34PM UTC coverage: 56.409% (+0.007%) from 56.402%

Build # 982

Build Type

push

circleci

Committed by

adamretter

Commit Message

[feature] Improve README.md badges

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0.0

/exist-core/src/main/java/org/exist/http/urlrewrite/ModuleCall.java

/*
 * Elemental
 * Copyright (C) 2024, Evolved Binary Ltd
 *
 * admin@evolvedbinary.com
 * https://www.evolvedbinary.com | https://www.elemental.xyz
 *
 * Use of this software is governed by the Business Source License 1.1
 * included in the LICENSE file and at www.mariadb.com/bsl11.
 *
 * Change Date: 2028-04-27
 *
 * On the date above, in accordance with the Business Source License, use
 * of this software will be governed by the Apache License, Version 2.0.
 *
 * Additional Use Grant: Production use of the Licensed Work for a permitted
 * purpose. A Permitted Purpose is any purpose other than a Competing Use.
 * A Competing Use means making the Software available to others in a commercial
 * product or service that: substitutes for the Software; substitutes for any
 * other product or service we offer using the Software that exists as of the
 * date we make the Software available; or offers the same or substantially
 * similar functionality as the Software.
 *
 * NOTE: Parts of this file contain code from 'The eXist-db Authors'.
 *       The original license header is included below.
 *
 * =====================================================================
 *
 * eXist-db Open Source Native XML Database
 * Copyright (C) 2001 The eXist-db Authors
 *
 * info@exist-db.org
 * http://www.exist-db.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.exist.http.urlrewrite;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.exist.dom.QName;
import org.exist.xquery.Module;
import org.exist.xquery.*;
import org.exist.xquery.value.Sequence;
import org.w3c.dom.Element;

import javax.annotation.Nullable;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.util.ArrayList;

public class ModuleCall extends URLRewrite {
    private static final Logger LOG = LogManager.getLogger(ModuleCall.class);

    private final FunctionCall call;

    public ModuleCall(final Element config, final XQueryContext context, final String uri) throws ServletException {
        super(config, uri);
        String funcName = config.getAttribute("function");
        if (funcName.isEmpty()) {
            throw new ServletException("<exist:call> requires an attribute 'function'.");
        }
        int arity = 0;
        final int p = funcName.indexOf('/');
        if (p > -1) {
            final String arityStr = funcName.substring(p + 1);
            try {
                arity = Integer.parseInt(arityStr);
            } catch (final NumberFormatException e) {
                throw new ServletException("<exist:call>: could not parse parameter count in function attribute: " + arityStr);
            }
            funcName = funcName.substring(0, p);
        }
        try {
            final QName fqn = QName.parse(context, funcName);
            @Nullable final Module[] modules = context.getModules(fqn.getNamespaceURI());
            UserDefinedFunction func = null;
            if (modules == null || modules.length == 0) {
                func = context.resolveFunction(fqn, arity);
            } else {
                for (final Module module : modules) {
                    func = ((ExternalModule) module).getFunction(fqn, arity, context);
                    if (func != null) {
                        break;
                    }
                }
            }

            if (func == null) {
                throw new ServletException("<exist:call> could not resolve function: " + fqn + "#" + arity +".");
            }

            call = new FunctionCall(context, func);
            call.setArguments(new ArrayList<>());
        } catch (final XPathException | QName.IllegalQNameException e) {
            throw new ServletException(e);
        }
    }

    protected ModuleCall(final ModuleCall other) {
        super(other);
        this.call = other.call;
    }

    @Override
    public void doRewrite(final HttpServletRequest request, final HttpServletResponse response) throws ServletException {
        try {
            final ContextItemDeclaration cid = call.getContext().getContextItemDeclartion();
            final Sequence contextSequence;
            if (cid != null) {
                contextSequence = cid.eval(null, null);
            } else {
                contextSequence = null;
            }

            final Sequence result = call.eval(contextSequence, null);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Found: {}", result.getItemCount());
            }
            request.setAttribute(XQueryURLRewrite.RQ_ATTR_RESULT, result);

        } catch (final XPathException e) {
            throw new ServletException("Called function threw exception: " + e.getMessage(), e);
        }
    }

    @Override
    protected URLRewrite copy() {
        return new ModuleCall(this);
    }
}

1	/*
2	* Elemental
3	* Copyright (C) 2024, Evolved Binary Ltd
4	*
5	* admin@evolvedbinary.com
6	* https://www.evolvedbinary.com \| https://www.elemental.xyz
7	*
8	* Use of this software is governed by the Business Source License 1.1
9	* included in the LICENSE file and at www.mariadb.com/bsl11.
10	*
11	* Change Date: 2028-04-27
12	*
13	* On the date above, in accordance with the Business Source License, use
14	* of this software will be governed by the Apache License, Version 2.0.
15	*
16	* Additional Use Grant: Production use of the Licensed Work for a permitted
17	* purpose. A Permitted Purpose is any purpose other than a Competing Use.
18	* A Competing Use means making the Software available to others in a commercial
19	* product or service that: substitutes for the Software; substitutes for any
20	* other product or service we offer using the Software that exists as of the
21	* date we make the Software available; or offers the same or substantially
22	* similar functionality as the Software.
23	*
24	* NOTE: Parts of this file contain code from 'The eXist-db Authors'.
25	* The original license header is included below.
26	*
27	* =====================================================================
28	*
29	* eXist-db Open Source Native XML Database
30	* Copyright (C) 2001 The eXist-db Authors
31	*
32	* info@exist-db.org
33	* http://www.exist-db.org
34	*
35	* This library is free software; you can redistribute it and/or
36	* modify it under the terms of the GNU Lesser General Public
37	* License as published by the Free Software Foundation; either
38	* version 2.1 of the License, or (at your option) any later version.
39	*
40	* This library is distributed in the hope that it will be useful,
41	* but WITHOUT ANY WARRANTY; without even the implied warranty of
42	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
43	* Lesser General Public License for more details.
44	*
45	* You should have received a copy of the GNU Lesser General Public
46	* License along with this library; if not, write to the Free Software
47	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
48	*/
49	package org.exist.http.urlrewrite;
50
51	import org.apache.logging.log4j.LogManager;
52	import org.apache.logging.log4j.Logger;
53	import org.exist.dom.QName;
54	import org.exist.xquery.Module;
55	import org.exist.xquery.*;
56	import org.exist.xquery.value.Sequence;
57	import org.w3c.dom.Element;
58
59	import javax.annotation.Nullable;
60	import jakarta.servlet.ServletException;
61	import jakarta.servlet.http.HttpServletRequest;
62	import jakarta.servlet.http.HttpServletResponse;
63	import java.util.ArrayList;
64
65	public class ModuleCall extends URLRewrite {
66	private static final Logger LOG = LogManager.getLogger(ModuleCall.class);	×
67
68	private final FunctionCall call;
69
70	public ModuleCall(final Element config, final XQueryContext context, final String uri) throws ServletException {
71	super(config, uri);	×
72	String funcName = config.getAttribute("function");	×
73	if (funcName.isEmpty()) {	×
74	throw new ServletException("<exist:call> requires an attribute 'function'.");	×
75	}
76	int arity = 0;	×
77	final int p = funcName.indexOf('/');	×
78	if (p > -1) {	×
79	final String arityStr = funcName.substring(p + 1);	×
80	try {
81	arity = Integer.parseInt(arityStr);	×
82	} catch (final NumberFormatException e) {	×
83	throw new ServletException("<exist:call>: could not parse parameter count in function attribute: " + arityStr);	×
84	}
85	funcName = funcName.substring(0, p);	×
86	}
87	try {
88	final QName fqn = QName.parse(context, funcName);	×
89	@Nullable final Module[] modules = context.getModules(fqn.getNamespaceURI());	×
90	UserDefinedFunction func = null;	×
91	if (modules == null \|\| modules.length == 0) {	×
92	func = context.resolveFunction(fqn, arity);	×
93	} else {	×
94	for (final Module module : modules) {	×
95	func = ((ExternalModule) module).getFunction(fqn, arity, context);	×
96	if (func != null) {	×
97	break;	×
98	}
99	}
100	}
101
102	if (func == null) {	×
103	throw new ServletException("<exist:call> could not resolve function: " + fqn + "#" + arity +".");	×
104	}
105
106	call = new FunctionCall(context, func);	×
107	call.setArguments(new ArrayList<>());	×
108	} catch (final XPathException \| QName.IllegalQNameException e) {	×
109	throw new ServletException(e);	×
110	}
111	}	×
112
113	protected ModuleCall(final ModuleCall other) {
114	super(other);	×
115	this.call = other.call;	×
116	}	×
117
118	@Override
119	public void doRewrite(final HttpServletRequest request, final HttpServletResponse response) throws ServletException {
120	try {
121	final ContextItemDeclaration cid = call.getContext().getContextItemDeclartion();	×
122	final Sequence contextSequence;
123	if (cid != null) {	×
124	contextSequence = cid.eval(null, null);	×
125	} else {	×
126	contextSequence = null;	×
127	}
128
129	final Sequence result = call.eval(contextSequence, null);	×
130	if (LOG.isDebugEnabled()) {	×
131	LOG.debug("Found: {}", result.getItemCount());	×
132	}
133	request.setAttribute(XQueryURLRewrite.RQ_ATTR_RESULT, result);	×
134
135	} catch (final XPathException e) {	×
136	throw new ServletException("Called function threw exception: " + e.getMessage(), e);	×
137	}
138	}	×
139
140	@Override
141	protected URLRewrite copy() {
142	return new ModuleCall(this);	×
143	}
144	}

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