org.opencms.site.CmsSiteMatcher Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* 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.
*
* For further information about Alkacon Software GmbH & Co. KG, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.site;
import org.opencms.util.CmsStringUtil;
/**
* A matcher object to compare request data against the configured sites.
*
* @since 6.0.0
*/
public final class CmsSiteMatcher implements Cloneable {
/** Wildcard for string matching. */
private static final String WILDCARD = "*";
/** Default matcher that always matches all other Site matchers. */
public static final CmsSiteMatcher DEFAULT_MATCHER = new CmsSiteMatcher(WILDCARD, WILDCARD, 0);
/** Constant for the "http" port. */
private static final int PORT_HTTP = 80;
/** Constant for the "https" port. */
private static final int PORT_HTTPS = 443;
/** Constant for the "http" scheme. */
private static final String SCHEME_HTTP = "http";
/** Constant for the "https" scheme. */
private static final String SCHEME_HTTPS = "https";
/** Hashcode buffer to save multiple calculations. */
private Integer m_hashCode;
/** The hostname (e.g. localhost) which is required to access this site. */
private String m_serverName;
/** The port (e.g. 80) which is required to access this site. */
private int m_serverPort;
/** The protocol (e.g. "http", "https") which is required to access this site. */
private String m_serverProtocol;
/** The time offset. */
private long m_timeOffset;
/**
* Construct a new site matcher from a String which should be in default URL notation.
*
* If no port is provided, the default port 80 or 443 will be used for http or https respectively.
* If no protocol is provided, the default protocol "http" will be used.
*
* @param serverString the String, e.g. http://localhost:8080
*/
public CmsSiteMatcher(String serverString) {
this(serverString, 0);
}
/**
* Construct a new site matcher from a String which should be in default URL notation.
*
* If no port is provided, the default port 80 or 443 will be used for http or https respectively.
* If no protocol is provided, the default protocol "http" will be used.
*
* @param serverString the String, e.g. http://localhost:8080
* @param timeOffset the time offset
*/
public CmsSiteMatcher(String serverString, long timeOffset) {
if (serverString == null) {
init(WILDCARD, WILDCARD, 0, timeOffset);
return;
}
// remove whitespace
serverString = serverString.trim();
// remove fragment and query if present
int pos = serverString.indexOf("#");
if (pos > 0) {
serverString = serverString.substring(0, pos);
}
pos = serverString.indexOf("?");
if (pos > 0) {
serverString = serverString.substring(0, pos);
}
// cut trailing "/"
if (serverString.endsWith("/")) {
serverString = serverString.substring(0, serverString.length() - 1);
}
int serverPort;
String serverProtocol, serverName;
// check for protocol
pos = serverString.indexOf("://");
if (pos >= 0) {
serverProtocol = serverString.substring(0, pos);
serverString = serverString.substring(pos + 3);
} else {
serverProtocol = SCHEME_HTTP;
}
// check for server name and port
pos = serverString.indexOf(":");
if (pos >= 0) {
serverName = serverString.substring(0, pos);
try {
String port = serverString.substring(pos + 1);
pos = port.indexOf("/");
if (pos >= 0) {
port = port.substring(0, pos);
}
serverPort = Integer.valueOf(port).intValue();
} catch (NumberFormatException e) {
if (SCHEME_HTTPS.equals(serverProtocol)) {
serverPort = PORT_HTTPS;
} else {
serverPort = PORT_HTTP;
}
}
} else {
serverName = serverString;
if (SCHEME_HTTPS.equals(serverProtocol)) {
serverPort = PORT_HTTPS;
} else {
serverPort = PORT_HTTP;
}
}
// cut trailing path in server name
pos = serverName.indexOf("/");
if (pos >= 0) {
serverName = serverName.substring(0, pos);
}
// initialize members
init(serverProtocol, serverName, serverPort, timeOffset);
}
/**
* Constructs a new site matcher object.
*
* @param serverProtocol to protocol required to access this site
* @param serverName the server URL prefix to which this site is mapped
* @param serverPort the port required to access this site
*/
public CmsSiteMatcher(String serverProtocol, String serverName, int serverPort) {
init(serverProtocol, serverName, serverPort, 0);
}
/**
* Constructs a new site matcher object.
*
* @param serverProtocol to protocol required to access this site
* @param serverName the server URL prefix to which this site is mapped
* @param serverPort the port required to access this site
* @param timeOffset the time offset
*/
public CmsSiteMatcher(String serverProtocol, String serverName, int serverPort, long timeOffset) {
init(serverProtocol, serverName, serverPort, timeOffset);
}
/**
* Returns a clone of this Objects instance.
*
* @return a clone of this instance
*/
@Override
public Object clone() {
return new CmsSiteMatcher(m_serverProtocol, m_serverName, m_serverPort, (m_timeOffset / 1000L));
}
/**
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof CmsSiteMatcher)) {
return false;
}
// if one of the object is the default matcher the result is always true
if ((this == DEFAULT_MATCHER) || (obj == DEFAULT_MATCHER)) {
return true;
}
CmsSiteMatcher other = (CmsSiteMatcher)obj;
return (m_serverPort == other.m_serverPort)
&& m_serverName.equalsIgnoreCase(other.m_serverName)
&& m_serverProtocol.equals(other.m_serverProtocol);
}
/**
* Returns the hostname (e.g. localhost) which is required to access this site.
*
* @return the hostname (e.g. localhost) which is required to access this site
*/
public String getServerName() {
return m_serverName;
}
/**
* Returns the port (e.g. 80) which is required to access this site.
*
* @return the port (e.g. 80) which is required to access this site
*/
public int getServerPort() {
return m_serverPort;
}
/**
* Returns the protocol (e.g. "http", "https") which is required to access this site.
*
* @return the protocol (e.g. "http", "https") which is required to access this site
*/
public String getServerProtocol() {
return m_serverProtocol;
}
/**
* Returns the time Offset.
*
* @return the time Offset
*/
public long getTimeOffset() {
return m_timeOffset;
}
/**
* Returns the url of this site matcher.
*
* @return the url, i.e. {protocol}://{servername}[:{port}], port appened only if != 80
*/
public String getUrl() {
return m_serverProtocol
+ "://"
+ m_serverName
+ (((m_serverPort != PORT_HTTP) && (m_serverPort != PORT_HTTPS)) ? ":" + m_serverPort : "");
}
/**
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
if (m_hashCode == null) {
m_hashCode = new Integer(toString().hashCode());
}
return m_hashCode.intValue();
}
/**
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
StringBuffer result = new StringBuffer(32);
if ((m_serverProtocol != null) && !(WILDCARD.equals(m_serverProtocol))) {
result.append(m_serverProtocol);
result.append("://");
}
result.append(m_serverName);
if ((m_serverPort > 0)
&& (!(SCHEME_HTTP.equals(m_serverProtocol) && (m_serverPort == PORT_HTTP)))
&& (!(SCHEME_HTTPS.equals(m_serverProtocol) && (m_serverPort == PORT_HTTPS)))) {
result.append(":");
result.append(m_serverPort);
}
return result.toString();
}
/**
* Sets the hostname (e.g. localhost) which is required to access this site.
*
* Setting the hostname to "*" is a wildcard that matches all hostnames
*
* @param serverName the hostname (e.g. localhost) which is required to access this site
*/
protected void setServerName(String serverName) {
if (CmsStringUtil.isEmpty(serverName) || (WILDCARD.equals(serverName))) {
m_serverName = WILDCARD;
} else {
m_serverName = serverName.trim();
}
}
/**
* Sets the port (e.g. 80) which is required to access this site.
*
* Setting the port to 0 (zero) is a wildcard that matches all ports
*
* @param serverPort the port (e.g. 80) which is required to access this site
*/
protected void setServerPort(int serverPort) {
m_serverPort = serverPort;
if (m_serverPort < 0) {
m_serverPort = 0;
}
}
/**
* Sets the protocol (e.g. "http", "https") which is required to access this site.
*
* Setting the protocol to "*" is a wildcard that matches all protocols.
*
* @param serverProtocol the protocol (e.g. "http", "https") which is required to access this site
*/
protected void setServerProtocol(String serverProtocol) {
if (CmsStringUtil.isEmpty(serverProtocol) || (WILDCARD.equals(serverProtocol))) {
m_serverProtocol = WILDCARD;
} else {
int pos = serverProtocol.indexOf("/");
if (pos > 0) {
m_serverProtocol = serverProtocol.substring(0, pos).toLowerCase();
} else {
m_serverProtocol = serverProtocol.toLowerCase().trim();
}
}
}
/**
* Sets the time Offset in seconds.
*
* @param timeOffset the time Offset to set
*/
protected void setTimeOffset(long timeOffset) {
m_timeOffset = timeOffset * 1000L;
}
/**
* Initializes the member variables.
*
* @param serverProtocol to protocol required to access this site
* @param serverName the server URL prefix to which this site is mapped
* @param serverPort the port required to access this site
* @param timeOffset the time offset
*/
private void init(String serverProtocol, String serverName, int serverPort, long timeOffset) {
setServerProtocol(serverProtocol);
setServerName(serverName);
setServerPort(serverPort);
setTimeOffset(timeOffset);
}
}