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34 package info.magnolia.module.delta;
35
36 import info.magnolia.cms.core.Content;
37 import info.magnolia.cms.core.ItemType;
38 import info.magnolia.cms.core.Path;
39 import info.magnolia.cms.util.NodeDataUtil;
40 import info.magnolia.module.InstallContext;
41 import info.magnolia.module.model.ServletDefinition;
42 import info.magnolia.module.model.ServletParameterDefinition;
43
44 import javax.jcr.RepositoryException;
45
46 import org.apache.commons.lang.StringUtils;
47
48
49
50
51
52 public class RegisterServletTask extends AbstractTask {
53 private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(RegisterServletTask.class);
54
55 private static final String DEFAULT_SERVLET_FILTER_PATH = "/server/filters/servlets";
56 private final ServletDefinition servletDefinition;
57
58 public RegisterServletTask(ServletDefinition servletDefinition) {
59 super("Servlet " + servletDefinition.getName(), "Registers servlet" + servletDefinition.getName() + " (" + servletDefinition.getComment() + ")");
60 this.servletDefinition = servletDefinition;
61 }
62
63 public void execute(InstallContext installContext) throws TaskExecutionException {
64 log.debug("Registering servlet " + servletDefinition.getName() + " in servlet filter.");
65
66 final String servletFilterPath = DEFAULT_SERVLET_FILTER_PATH;
67
68 try {
69 final Content servletNode = installContext.getConfigHierarchyManager().createContent(servletFilterPath, servletDefinition.getName(),
70 ItemType.CONTENTNODE.getSystemName());
71 NodeDataUtil.getOrCreateAndSet(servletNode, "class", "info.magnolia.cms.filters.ServletDispatchingFilter");
72 NodeDataUtil.getOrCreateAndSet(servletNode, "enabled", true);
73 NodeDataUtil.getOrCreateAndSet(servletNode, "servletClass", servletDefinition.getClassName());
74 NodeDataUtil.getOrCreateAndSet(servletNode, "servletName", servletDefinition.getName());
75 NodeDataUtil.getOrCreateAndSet(servletNode, "comment", servletDefinition.getComment());
76
77 final Content mappingsNode = servletNode.createContent("mappings", ItemType.CONTENTNODE);
78 for (String pattern : servletDefinition.getMappings()) {
79 if (StringUtils.isBlank(pattern)) {
80 installContext.warn("Empty mappings configuration is not supported and sevlet was not installed.");
81 continue;
82 }
83 String mappingNodeName = Path.getUniqueLabel(mappingsNode, Path.getValidatedLabel(pattern));
84 final Content mappingNode = mappingsNode.createContent(mappingNodeName, ItemType.CONTENTNODE);
85 NodeDataUtil.getOrCreateAndSet(mappingNode, "pattern", pattern);
86 }
87
88 final Content parametersNode = servletNode.createContent("parameters", ItemType.CONTENTNODE);
89 for (ServletParameterDefinition parameter : servletDefinition.getParams()) {
90 NodeDataUtil.getOrCreateAndSet(parametersNode, parameter.getName(), parameter.getValue());
91 }
92 } catch (RepositoryException e) {
93 log.error("Cannot create servlet node in servlet filter.", e);
94 }
95 }
96
97 public ServletDefinition getServletDefinition() {
98 return this.servletDefinition;
99 }
100
101 }