/* Copyright c 2005-2012.
* Licensed under GNU LESSER General Public License, Version 3.
* http://www.gnu.org/licenses
*/
package org.beangle.struts2.convention.route;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.beangle.commons.collection.CollectUtils;
/**
* web路由的系统结点
*
* @author chaostone
*/
public class Action {
private String namespace;
private String name;
private String method;
private String clazz;
private String extention;
private Map<String, String> params = CollectUtils.newHashMap();
// constructors
public Action() {
super();
}
public Action(String method) {
super();
this.method = method;
}
public Action(Object ctlObj, String method) {
this(ctlObj.getClass(), method, null);
}
public Action(Class<?> clazz, String method) {
this(clazz, method, null);
}
public Action(Class<?> clazz, String method, String params) {
if (null != clazz) {
this.clazz = clazz.getName();
}
this.method = method;
params(params);
}
public Action(String actionName, String method) {
this(actionName, method, null);
}
public Action(String actionName, String method, String params) {
if (null != actionName) {
path(actionName);
}
method(method).params(params);
}
// convienence methods
public static Action to(Class<?> clazz) {
return new Action(clazz, null);
}
public static Action to(Object obj) {
return new Action(obj, null);
}
public Action name(String name) {
this.name = name;
return this;
}
public Action namespace(String namespace) {
this.namespace = namespace;
return this;
}
public Action method(String m) {
this.method = m;
return this;
}
public Action extention(String extention) {
this.extention = extention;
return this;
}
public Action param(String key, String value) {
params.put(key, value);
return this;
}
public Action param(String key, Object obj) {
params.put(key, String.valueOf(obj));
return this;
}
public Action params(Map<String, String> newParams) {
params.putAll(newParams);
return this;
}
public Action path(String path) {
String[] data = parse(path);
namespace = data[0];
name = data[1];
return this;
}
public static String[] parse(String path) {
int endIndex = path.length();
int i = endIndex - 1;
int actionIndex = 0;
while (i > -1) {
char c = path.charAt(i);
if (c == '.' || c == '!') {
endIndex = i;
} else if (c == '/') {
actionIndex = i + 1;
break;
}
i--;
}
String namespace = null;
if (actionIndex < 2) {
namespace = "/";
} else {
namespace = path.substring(0, actionIndex - 1);
if (namespace.charAt(0) != '/') {
namespace = "/" + namespace;
}
}
String actionName = path.substring(actionIndex, endIndex);
return new String[] { namespace, actionName };
}
public Action params(String paramStr) {
if (StringUtils.isNotEmpty(paramStr)) {
String[] paramPairs = StringUtils.split(paramStr, "&");
for (int i = 0; i < paramPairs.length; i++) {
String key = StringUtils.substringBefore(paramPairs[i], "=");
String value = StringUtils.substringAfter(paramPairs[i], "=");
if (StringUtils.isNotEmpty(key) && StringUtils.isNotEmpty(value)) {
params.put(key, value);
}
}
}
return this;
}
public String getUri() {
StringBuilder buf = new StringBuilder(25);
if (null == namespace || namespace.length() == 1) {
buf.append('/');
} else {
buf.append(namespace).append('/');
}
if (null != name) {
buf.append(name);
}
if (StringUtils.isNotEmpty(method)) {
buf.append('!').append(method);
}
if (null != extention) {
buf.append('.').append(extention);
}
if (null != getParams() && getParams().size() > 0) {
boolean first = true;
for (Iterator<String> iter = getParams().keySet().iterator(); iter.hasNext();) {
String key = iter.next();
String value = getParams().get(key);
try {
if (first) {
buf.append('?');
first = false;
} else {
buf.append('&');
}
buf.append(key).append("=").append(URLEncoder.encode(value, "UTF-8"));
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
}
}
}
return buf.toString();
}
public String getNamespace() {
return namespace;
}
public String getName() {
return name;
}
public String getMethod() {
return method;
}
public Map<String, String> getParams() {
return params;
}
public String getClazz() {
return clazz;
}
public String getExtention() {
return extention;
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).append("namespace", namespace)
.append("name", name).append("method", method).append("params", params).toString();
}
}