1
22
23 package com.liferay.taglib.ui;
24
25 import com.liferay.portal.kernel.servlet.StringServletResponse;
26 import com.liferay.taglib.util.IncludeTag;
27
28 import java.io.IOException;
29
30 import javax.servlet.RequestDispatcher;
31 import javax.servlet.ServletContext;
32 import javax.servlet.ServletException;
33 import javax.servlet.http.HttpServletRequest;
34 import javax.servlet.http.HttpServletResponse;
35 import javax.servlet.jsp.JspException;
36
37
43 public class PngImageTag extends IncludeTag {
44
45 public static void doTag(
46 String image, String height, String width,
47 ServletContext servletContext, HttpServletRequest request,
48 HttpServletResponse response)
49 throws IOException, ServletException {
50
51 doTag(_PAGE, image, height, width, servletContext, request, response);
52 }
53
54 public static void doTag(
55 String page, String image, String height, String width,
56 ServletContext servletContext, HttpServletRequest request,
57 HttpServletResponse response)
58 throws IOException, ServletException {
59
60 request.setAttribute("liferay-ui:png_image:image", image);
61 request.setAttribute("liferay-ui:png_image:height", height);
62 request.setAttribute("liferay-ui:png_image:width", width);
63
64 RequestDispatcher requestDispatcher =
65 servletContext.getRequestDispatcher(page);
66
67 requestDispatcher.include(request, response);
68 }
69
70 public int doEndTag() throws JspException {
71 try {
72 ServletContext servletContext = getServletContext();
73 HttpServletRequest request = getServletRequest();
74 StringServletResponse response = getServletResponse();
75
76 doTag(
77 getPage(), _image, _height, _width, servletContext, request,
78 response);
79
80 pageContext.getOut().print(response.getString());
81
82 return EVAL_PAGE;
83 }
84 catch (Exception e) {
85 throw new JspException(e);
86 }
87 }
88
89 public void setImage(String image) {
90 _image = image;
91 }
92
93 public void setHeight(String height) {
94 _height = height;
95 }
96
97 public void setWidth(String width) {
98 _width = width;
99 }
100
101 protected String getDefaultPage() {
102 return _PAGE;
103 }
104
105 private static final String _PAGE = "/html/taglib/ui/png_image/page.jsp";
106
107 private String _image;
108 private String _height;
109 private String _width;
110
111 }