jetbrick.web.mvc.router.PrefixSuffixBypassRequestUrls Maven / Gradle / Ivy
/**
* Copyright 2013-2014 Guoqiang Chen, Shanghai, China. All rights reserved.
*
* Email: [email protected]
* URL: http://subchen.github.io/
*
* 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 jetbrick.web.mvc.router;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import jetbrick.ioc.annotations.IocInit;
import jetbrick.lang.StringUtils;
import jetbrick.web.mvc.BypassRequestUrls;
// 用来过滤静态文件等非 mvc filter 需要处理的文件, 使用前缀/后缀匹配算法
public class PrefixSuffixBypassRequestUrls implements BypassRequestUrls {
public static final String DEFAULT_PATTERNS = "*.jsp, *.js, *.css, *.jpg, *.png, *.gif, *.ico, *.swf, /assets/*, /static/*";
private String patterns = DEFAULT_PATTERNS;
private List prefixList;
private List suffixList;
private List staticList;
public void setPatterns(String patterns) {
this.patterns = patterns;
}
@IocInit
private void initialize() {
if (patterns != null && patterns.length() > 0) {
for (String pattern : StringUtils.split(patterns, ',')) {
pattern = StringUtils.trimToNull(pattern);
if (pattern != null) {
if (pattern.charAt(0) == '*') {
if (suffixList == null) {
suffixList = new ArrayList(8);
}
suffixList.add(pattern.substring(1));
} else if (pattern.charAt(pattern.length() - 1) == '*') {
if (prefixList == null) {
prefixList = new ArrayList(8);
}
prefixList.add(pattern.substring(0, pattern.length() - 1));
} else {
if (staticList == null) {
staticList = new ArrayList(8);
}
staticList.add(pattern);
}
}
}
}
}
@Override
public boolean accept(HttpServletRequest request, String path) {
if (prefixList != null) {
for (String prefix : prefixList) {
if (path.startsWith(prefix)) {
return true;
}
}
}
if (suffixList != null) {
for (String suffix : suffixList) {
if (path.endsWith(suffix)) {
return true;
}
}
}
if (staticList != null) {
for (String full : staticList) {
if (path.equals(full)) {
return true;
}
}
}
return false;
}
}