Zhiqim Httpd即知启蒙WEB容器，是Zhiqim Framework面向WEB开发的多例服务，提供更简洁配置、积木式组件模块和天然的模型模板设计。
HttpResource.java9KB
/*
* 版权所有 (C) 2015 知启蒙(ZHIQIM) 保留所有权利。[遇见知启蒙，邂逅框架梦]
*
* https://zhiqim.org/project/zhiqim_framework/zhiqim_httpd.htm
*
* Zhiqim Httpd is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
package org.zhiqim.httpd;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import org.zhiqim.httpd.entities.ClassResourceEntity;
import org.zhiqim.httpd.entities.FileResourceEntity;
import org.zhiqim.kernel.util.Files;
import org.zhiqim.kernel.util.Resources;
import org.zhiqim.kernel.util.Strings;
import org.zhiqim.kernel.util.Validates;
/**
* HTTP资源，包括资源索引，资源类型和资源路径
*
* 以便HttpContext支持多个资源目录，从而实现资源组件化
* @version v1.0.0 @author zouzhigang 2014-3-21 新建与整理
*/
public class HttpResource implements HttpdConstants
{
public static final HttpResourceCompor _resourceCompor = new HttpResourceCompor();
public static final FileResourceEntity _fileResource = new FileResourceEntity();
public static final ClassResourceEntity _classResource = new ClassResourceEntity();
private int resourceIndex;
private String resourceType;//classpath|directory
private String resourcePath;
public HttpResource(String resourceType, String resourcePath)
{
this.resourceType = resourceType;
this.resourcePath = Strings.removeEndsWith(resourcePath, "/");
}
public HttpResource(int resourceIndex, String resourceType, String resourcePath)
{
this.resourceIndex = resourceIndex;
this.resourceType = resourceType;
this.resourcePath = Strings.removeEndsWith(resourcePath, "/");
}
public boolean isValid()
{
return Validates.isNotEmpty(resourcePath) && (_CLASSPATH_.equals(resourceType) || _DIRECTORY_.equals(resourceType));
}
/********************************************************************/
//业务处理等方法
/********************************************************************/
/**
* 在该资源内处理请求
*
* @param header 请求头
* @param sender 响应发送器
* @return =true表示处理到，=false表示不在该资源内
* @throws IOException 异常
*/
public boolean handleResource(HttpHeader header, HttpSender sender) throws IOException
{
//1.如果未配置资源直接返回false
if (resourceType == null || resourcePath == null)
return false;
//2.先查找资源是否存在
String path = resourcePath + header.getPathInContext();
path = URLDecoder.decode(path, header.getCharacterEncoding());
if (isClasspath())
{//classpath
if (!Resources.exists(HttpResource.class, path))
return false;
if (header.isMethodHead())
{//如果HEAD，直接返回成功
sender.sendHeader(_200_OK_);
return true;
}
((HttpHeaderInner)header).setPathOnResource(path);
_classResource.handle(header, sender);
return true;
}
else
{//dir
if (!Files.isFile(path))
return false;
if (header.isMethodHead())
{//如果HEAD，直接返回成功
sender.sendHeader(_200_OK_);
return true;
}
((HttpHeaderInner)header).setPathOnResource(path);
_fileResource.handle(header, sender);
return true;
}
}
/**
* 获取该资源内的资源字符串
*
* @param path 请求
* @return =null表示不在该资源内,!=null表示在该资源内并读取到内容
* @throws IOException 异常
*/
public String getResourceString(String path) throws IOException
{
return getResourceString(path, _UTF_8_);
}
/**
* 获取该资源内的资源字符串
*
* @param path 请求
* @param encoding 编码
* @return =null表示不在该资源内,!=null表示在该资源内并读取到内容
* @throws IOException 异常
*/
public String getResourceString(String path, String encoding) throws IOException
{
if (resourcePath == null)
return null;
path = resourcePath + "/" + Strings.removeStartsWith(path, "/");
if (isClasspath())
{
if (!Resources.exists(HttpResource.class, path))
return null;
return Resources.getResourceString(HttpResource.class, path, encoding);
}
else
{
if (!Files.isFile(path))
return null;
return Files.read(path, encoding);
}
}
/**
* 读取资源目录下的文件名和目录名，目录名以/结尾，用于显示目录下列表
*
* @param folderPath 目录地址
* @return 名称列表
* @throws IOException 异常
*/
public List<String> getResourceNameList(String folderPath) throws IOException
{
if (resourcePath == null)
return new ArrayList<>(0);
folderPath = resourcePath + "/" + Strings.removeStartsWith(folderPath, "/");
if (isClasspath())
{
if (!Resources.exists(HttpResource.class, folderPath))
return new ArrayList<>(0);
return Resources.getResourceNameList(HttpResource.class, folderPath);
}
else
{
if (!Files.isDirectory(folderPath))
return new ArrayList<>(0);
File folder = new File(folderPath);
File[] files = folder.listFiles(new FileFilter(){public boolean accept(File file){return !file.isHidden();}});
if (files == null)
return new ArrayList<>(0);
List<String> nameList = new ArrayList<>();
for (File file : files)
{
if (file.isDirectory())
nameList.add(file.getName()+"/");
else
nameList.add(file.getName());
}
return nameList;
}
}
/********************************************************************/
//属性 get & set 等方法
/********************************************************************/
public boolean isClasspath()
{
return _CLASSPATH_.equals(resourceType);
}
public int getResourceIndex()
{
return resourceIndex;
}
public void setResourceIndex(int resourceIndex)
{
this.resourceIndex = resourceIndex;
}
public String getResourceType()
{
return resourceType;
}
public void setResourceType(String resourceType)
{
this.resourceType = resourceType;
}
public String getResourcePath()
{
return resourcePath;
}
public void setResourcePath(String resourcePath)
{
this.resourcePath = resourcePath;
}
/********************************************************************/
//定义HTTP资源等resourcePath & resourceType都相等时即对象相等
/********************************************************************/
public int hashCode()
{
final int prime = 31;
int result = 1;
result = prime * result + ((resourcePath == null) ? 0 : resourcePath.hashCode());
result = prime * result + ((resourceType == null) ? 0 : resourceType.hashCode());
return result;
}
public boolean equals(Object obj)
{
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
HttpResource other = (HttpResource) obj;
if (resourcePath == null)
{
if (other.resourcePath != null)
return false;
}
else if (!resourcePath.equals(other.resourcePath))
return false;
if (resourceType == null)
{
if (other.resourceType != null)
return false;
}
else if (!resourceType.equals(other.resourceType))
return false;
return true;
}
/** 按索引排序 */
private static class HttpResourceCompor implements Comparator<HttpResource>
{
public int compare(HttpResource o1, HttpResource o2)
{
return o1.getResourceIndex() - o2.getResourceIndex();
}
}
}