package frame.object.http;
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import java.net.URLDecoder;
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import java.util.HashSet;
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import java.util.Set;
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import javax.servlet.http.HttpServletRequest;
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import frame.data.DataType;
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public class Path {
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protected String pathString;
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protected String[] pathArray;
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private String objectName;
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private String operator;
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private String dataName;
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private DataType returnType;
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private boolean valid;
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private static Set<String> pageTypes;
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public static int contextLength;
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private HttpServletRequest request;
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private String uri;
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private String target; //去掉项目名，去掉root标签，并以/开头
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private String shortTarget; //去掉项目名，去掉root标签，不以/开头
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private String suffix; //请求后缀，没用则为VirtualPath路径，有则为Resource路径
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private String leaf; ////target的最后一截
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private String parent; //target的第一截
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private RequestType type; //VirtualPath、Resource
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static {
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pageTypes = new HashSet<String>();
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pageTypes.add(".html");
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pageTypes.add(".htm");
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pageTypes.add(".jsp");
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}
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public Path(HttpServletRequest request) {
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this.request = request;
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// /sfez/xxx/xxx/xx.html,uri是不带请求参数的，即不会带？xxx=xxx
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uri = request.getRequestURI();
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try {
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uri = URLDecoder.decode(uri, "UTF-8");
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} catch (Exception e) {
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e.printStackTrace();
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}
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// 1. delete parameters(没用)
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int last = uri.length();
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int pos_param = uri.indexOf("?");
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if (pos_param > 0) {
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last = pos_param;
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}
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target = uri.substring(contextLength, last);
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// 2. root
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if ("/".equals(target)) {
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type = RequestType.VirtualPath;
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return;
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}
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// 3. find root
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int pos = target.lastIndexOf("/root/");
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if (pos >= 0) {
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target = target.substring(pos + "/root/".length());
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}
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if (target.charAt(0) != '/') {
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target = "/" + target;
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}
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// 4. resource
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int pos_dot = target.lastIndexOf(".");
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if (pos_dot > 0) {
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suffix = target.substring(pos_dot);
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type = RequestType.Resource;
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} else {
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type = RequestType.VirtualPath;
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}
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int pos_begin = target.indexOf("/", 1);
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if (pos_begin > 0) {
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parent = target.substring(0, pos_begin);
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}
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int pos_end = target.lastIndexOf("/");
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if (pos_end >= pos_begin) {
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leaf = target.substring(pos_end);
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}
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shortTarget = target.substring(1);
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}
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public String getSuffix() {
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return suffix;
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}
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public String getTarget() {
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return target;
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}
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public String getShortTarget() {
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return shortTarget;
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}
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public String getLeaf() {
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return leaf;
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}
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public String getParent() {
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return parent;
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}
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public HttpServletRequest getRequest() {
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return request;
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}
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public String getURI() {
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return uri;
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}
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public RequestType getType() {
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return type;
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}
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@Override
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public String toString() {
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return uri;
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}
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public Path(String pathString) {
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this.pathString = pathString;
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String[] paths = pathString.split("/");
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int length = paths.length;
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pathArray = paths;
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valid = length >= 2;
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if (valid) {
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objectName = paths[0];
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operator = paths[1];
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if (length > 2) {
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dataName = paths[2];
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if (length > 3) {
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returnType = DataType.valueOfString(paths[3]);
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}
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}
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}
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}
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public String getObjectName() {
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return objectName;
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}
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public String getOperator() {
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return operator;
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}
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public String getDataName() {
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return dataName;
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}
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public String[] getPathArray() {
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return pathArray;
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}
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public DataType getReturnType() {
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return returnType;
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}
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public String getPathString() {
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return pathString;
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}
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public boolean isValid() {
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return valid;
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}
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}
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