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34 package info.magnolia.voting.voters;
35
36 import info.magnolia.context.MgnlContext;
37
38 import java.util.ArrayList;
39 import java.util.List;
40
41 import javax.servlet.http.HttpServletResponse;
42
43 import org.apache.commons.lang.StringUtils;
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51
52 public class ResponseContentTypeVoter extends AbstractBoolVoter {
53 private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ResponseContentTypeVoter.class);
54
55 private final List<String> allowed = new ArrayList<String>();
56 private final List<String> rejected = new ArrayList<String>();
57
58 public List<String> getAllowed() {
59 return allowed;
60 }
61
62 public void setAllowed(List<String> allowed) {
63 this.allowed.addAll(allowed);
64 }
65
66 public void addAllowed(String contentType) {
67 allowed.add(contentType);
68 }
69
70 public List<String> getRejected() {
71 return rejected;
72 }
73
74 public void setRejected(List<String> rejected) {
75 this.rejected.addAll(rejected);
76 }
77
78 public void addRejected(String contentType) {
79 rejected.add(contentType);
80 }
81
82 @Override
83 protected boolean boolVote(Object value) {
84 final HttpServletResponse response;
85 if (value instanceof HttpServletResponse) {
86 response = (HttpServletResponse) value;
87 } else {
88 if (MgnlContext.isWebContext()) {
89 response = MgnlContext.getWebContext().getResponse();
90 } else {
91 return false;
92 }
93 }
94
95
96 final String contentType = StringUtils.substringBefore(response.getContentType(), ";");
97 if (contentType == null) {
98 log.warn("No content type set on the response, can't vote.");
99 return false;
100 }
101 if (allowed.size() > 0 && !allowed.contains(contentType)) {
102 return false;
103 }
104 if (rejected.size() > 0 && rejected.contains(contentType)) {
105 return false;
106 }
107 return true;
108 }
109 }