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1
10
11 package org.mmbase.bridge.jsp.taglib.typehandler;
12
13 import javax.servlet.jsp.JspTagException  ;
14
15 import java.util.*;
16 import org.mmbase.bridge.*;
17 import org.mmbase.bridge.jsp.taglib.*;
18 import org.mmbase.bridge.jsp.taglib.edit.FormTag;
19 import org.mmbase.bridge.jsp.taglib.util.*;
20 import org.mmbase.util.logging.Logger;
21 import org.mmbase.util.logging.Logging;
22 import org.mmbase.util.functions.*;
23 import org.mmbase.util.*;
24 import org.mmbase.util.transformers.Xml;
25 import org.mmbase.datatypes.*;
26 import javax.servlet.jsp.PageContext ;
27 import org.apache.commons.fileupload.FileItem;
28
29
37
38 public class BinaryHandler extends AbstractTypeHandler {
39 private static final Logger log = Logging.getLoggerInstance(ByteHandler.class);
40
44 public BinaryHandler(FieldInfoTag tag) {
45 super(tag);
46 }
47
48
51 public String htmlInput(Node node, Field field, boolean search) throws JspTagException {
52 StringBuffer show = new StringBuffer ();
53 if (node != null) {
54 Function gui = node.getFunction("gui");
55 Parameters args = gui.createParameters();
56 args.set("field", field.getName());
57 args.set(Parameter.LANGUAGE, tag.getLocale().getLanguage());
58 args.set("session", tag.getSessionName());
59 PageContext pc = tag.getContextTag().getPageContext();
60 args.set(Parameter.RESPONSE, pc.getResponse());
61 args.set(Parameter.REQUEST, pc.getRequest());
62 args.set(Parameter.LOCALE, tag.getLocale());
63 show.append("" + gui.getFunctionValue(args));
64 }
65 show.append("<input class=\"" + getClasses(field) + "\" type=\"").append(search ? "text" : "file").append("\" name=\"").append(prefix(field.getName())).append("\" id=\"").append(prefixID(field.getName())).append("\" ");
66 addExtraAttributes(show);
67 show.append("/>");
68 return show.toString();
69
70 }
71
72
73
76 protected Object getFieldValue(Field field) throws JspTagException {
77 if (MultiPart.isMultipart(tag.getPageContext())) {
78 ContextContainer cc = tag.getContextProvider().getContextContainer();
79 ContextTag ct = tag.getContextTag();
80 FileItem bytes = ct.getFileItem(prefix(field.getName()));
81 return bytes;
82 } else {
83 return null;
84 }
85 }
86
87 public String checkHtmlInput(Node node, Field field, boolean errors) throws JspTagException {
88 Object fieldValue = getFieldValue(field);
89
90 if (fieldValue != null) {
91 DataType dt = field.getDataType();
92 Collection col = dt.validate(fieldValue, node, field);
93 if (col.size() == 0) {
94 if (node != null && ! field.isReadOnly()) {
97 setValue(node, field, (FileItem) fieldValue);
98 }
99 if (errors) {
100 return "<div id=\"" + prefixError(field.getName()) + "\" class=\"mm_check_noerror\"> </div>";
101 } else {
102 return "";
103 }
104 } else {
105 FormTag form = (FormTag) tag.findParentTag(FormTag.class, null, false);
106 if (form != null) {
107 form.setValid(false);
108 }
109 if (errors) {
110 StringBuffer show = new StringBuffer ("<div id=\"");
111 show.append(prefixError(field.getName()));
112 show.append("\" class=\"mm_check_error\">");
113 Locale locale = tag.getLocale();
114 Iterator i = col.iterator();
115 while (i.hasNext()) {
116 LocalizedString error = (LocalizedString) i.next();
117 show.append("<span>");
118 Xml.XMLEscape(error.get(locale), show);
119 show.append("</span>");
120 }
121 show.append("</div>");
122 return show.toString();
123 } else {
124 return "";
125 }
126 }
127 } else {
128 return "";
129 }
130 }
131
132
136 protected void setValue(Node node, Field field, FileItem bytes) throws JspTagException {
137 if (bytes.getSize() > 0) {
138 String fileName = bytes.getName();
139 String fileType = bytes.getContentType();
140
141 try {
142 node.setInputStreamValue(field.getName(), bytes.getInputStream(), bytes.getSize());
143 } catch (java.io.IOException ioe) {
144 throw new TaglibException(ioe);
145 }
146 ContextContainer cc = tag.getContextProvider().getContextContainer();
147 log.debug("Filename : " + fileName);
148 NodeManager nm = node.getNodeManager();
149 if (nm.hasField("mimetype") && (fileType != null) && (! fileType.equals("")) &&
151 cc.find(tag.getPageContext(), prefix("mimetype")) == null
152 ) {
153 node.setValueWithoutProcess("mimetype", fileType);
154 }
155 Object specFileName = cc.find(tag.getPageContext(), prefix("filename"));
156 if (nm.hasField("filename") &&
157 fileName != null &&
158 (! fileName.equals("")) &&
159 (specFileName == null || specFileName.equals("") || specFileName.equals(node.getStringValue("filename")))
160 ) {
161 node.setValueWithoutProcess("filename", fileName);
162 }
163 if (nm.hasField("size") &&
164 cc.find(tag.getPageContext(), prefix("size")) == null
165 ) {
166 node.setLongValue("size", bytes.getSize());
167 }
168 if (nm.hasField("filesize") &&
169 cc.find(tag.getPageContext(), prefix("filesize")) == null
170 ) {
171 node.setLongValue("filesize", bytes.getSize());
172 }
173 }
174 }
175
176
179 public boolean useHtmlInput(Node node, Field field) throws JspTagException {
180 FileItem bytes = (FileItem) getFieldValue(field);
181 if (bytes == null){
182 throw new BridgeException("getBytes(" + prefix(field.getName()) + ") returned null (node= " + node.getNumber() +") field=(" + field + ") (Was your form enctype='multipart/form-data' ?");
183 }
184 setValue(node, field, bytes);
185
186
187 return true;
188 }
189
190
193 public String whereHtmlInput(Field field) throws JspTagException {
194 log.error("Don't know what to do with byte[]");
195 return super.whereHtmlInput(field);
196 }
197
198 }
199 |
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