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1
17
18 package org.pentaho.core.solution;
19
20 import java.io.InputStream  ;
21 import java.io.OutputStream ;
22 import java.util.HashMap ;
23 import java.util.Map ;
24
25 import org.pentaho.core.repository.IContentItem;
26 import org.pentaho.core.services.SimpleContentItem;
27
28 public class SimpleOutputHandler implements IOutputHandler {
29
30 private Map responseAttributes;
31
32 private IContentItem feedbackContent;
33
34 boolean allowFeedback;
35
36 private String mimeType;
37
38 private int outputType = OUTPUT_TYPE_DEFAULT;
39
40 private boolean contentGenerated;
41
42 private Map outputs;
43
44 public SimpleOutputHandler(OutputStream outputStream, boolean allowFeedback) {
45
46 this.allowFeedback = allowFeedback;
47 if (allowFeedback) {
48 feedbackContent = new SimpleContentItem(outputStream);
49 }
50 responseAttributes = new HashMap ();
51 contentGenerated = false;
52 outputs = new HashMap ();
53 setOutputStream(outputStream, IOutputHandler.RESPONSE, IOutputHandler.CONTENT);
54 }
55
56 public void setOutputStream(OutputStream outputStream, String outputName, String contentName) {
57 String key = outputName + "." + contentName; SimpleContentItem item = new SimpleContentItem(outputStream);
59 outputs.put(key, item);
60 }
61
62 public void setOutputPreference(int outputType) {
63 this.outputType = outputType;
64 }
65
66 public boolean contentDone() {
67 return contentGenerated;
68
69 }
70
71 public int getOutputPreference() {
72 return outputType;
73 }
74
75 public void setMimeType(String mimeType) {
76 this.mimeType = mimeType;
77 }
78
79 public String getMimeType() {
80 return mimeType;
81 }
82
83 public boolean allowFeedback() {
84 return allowFeedback;
85 }
86
87
92 public Map getOutputDefs() {
93 return null;
95 }
96
97
102 public IOutputDef getOutputDef(String name) {
103 return null;
105 }
106
107
112 public IContentItem getFeedbackContentItem() {
113 if (allowFeedback) {
114 contentGenerated = true;
115 return feedbackContent;
116 }
117 return null;
118 }
119
120
125 public IContentItem getOutputContentItem(String outputName, String contentName) {
126 if (IOutputHandler.FILE.equals(outputName)) {
127 return FileOutputHandler.getFileOutputContentItem(contentName);
128 }
129 String key = outputName + "." + contentName; return (SimpleContentItem) outputs.get(key);
131 }
132
133 public IContentItem getOutputContentItem(String objectName, String contentName, String title, String url) {
134 return getOutputContentItem( objectName, contentName );
135 }
136
137 public void setContentItem(IContentItem content, String objectName, String contentName) {
138 mimeType = content.getMimeType();
139 }
140
141 public void setOutput(String name, Object value) {
142 if (IOutputHandler.CONTENT.equalsIgnoreCase(name)) {
143 IContentItem response = getOutputContentItem( "response", IOutputHandler.CONTENT ); if ( response != null ) {
145 try {
146 if ( value instanceof IContentItem ) {
147 IContentItem content = (IContentItem)value;
148 if ( (response.getMimeType() == null) || (!response.getMimeType().equalsIgnoreCase( content.getMimeType() ) ) ) {
149 response.setMimeType( content.getMimeType() );
150 }
151
152 InputStream inStr = content.getInputStream();
153 try {
154 OutputStream outStr = response.getOutputStream( response.getActionName() );
155 int inCnt = 0;
156 byte[] buf = new byte[4096];
157 while (-1 != (inCnt = inStr.read(buf))) {
158 outStr.write(buf, 0, inCnt);
159 }
160 } finally {
161 try {
162 inStr.close();
163 } catch (Exception ignored) {}
164 }
165 contentGenerated = true;
166 }
167 else {
168 if ( response.getMimeType() == null ) {
169 response.setMimeType( "text/html" ); }
171
172 response.getOutputStream( response.getActionName() ).write( value.toString().getBytes() );
173 contentGenerated = true;
174 }
175 } catch (Exception e) {
176
177 }
178 }
179 }
180 else {
181 responseAttributes.put(name, value);
182 }
183
184 }
185
186 public Map getResponseArrtibutes() {
187 return responseAttributes;
188 }
189 }
190
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