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34 package info.magnolia.module.blossom.web;
35
36 import info.magnolia.cms.core.AggregationState;
37 import info.magnolia.cms.core.Channel;
38 import info.magnolia.cms.core.Content;
39 import info.magnolia.cms.security.MgnlUser;
40 import info.magnolia.cms.security.User;
41 import info.magnolia.cms.util.ContentUtil;
42 import info.magnolia.context.Context;
43 import info.magnolia.context.MgnlContext;
44 import info.magnolia.context.WebContext;
45 import info.magnolia.module.blossom.template.BlossomAreaDefinition;
46 import info.magnolia.module.blossom.template.BlossomTemplateDefinition;
47 import info.magnolia.module.site.Site;
48 import info.magnolia.module.site.SiteManager;
49 import info.magnolia.module.site.functions.SiteFunctions;
50 import info.magnolia.module.site.theme.Theme;
51 import info.magnolia.objectfactory.Components;
52 import info.magnolia.rendering.context.RenderingContext;
53 import info.magnolia.rendering.template.AreaDefinition;
54 import info.magnolia.rendering.template.TemplateDefinition;
55
56 import javax.jcr.Node;
57
58 import org.springframework.beans.factory.InitializingBean;
59 import org.springframework.core.MethodParameter;
60 import org.springframework.web.bind.support.WebArgumentResolver;
61 import org.springframework.web.context.request.NativeWebRequest;
62
63
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65
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70
71
72 public class BlossomWebArgumentResolver implements WebArgumentResolver, InitializingBean {
73
74 private SiteManager siteManager;
75 private SiteFunctions siteFunctions;
76
77 public void setSiteManager(SiteManager siteManager) {
78 this.siteManager = siteManager;
79 }
80
81 public void setSiteFunctions(SiteFunctions siteFunctions) {
82 this.siteFunctions = siteFunctions;
83 }
84
85 @Override
86 public Object resolveArgument(MethodParameter methodParameter, NativeWebRequest webRequest) throws Exception {
87
88 if (methodParameter.getParameterType().isAssignableFrom(Node.class)) {
89 RenderingContext renderingContext = Components.getComponent(RenderingContext.class);
90 if (hasSubsequentParametersOfType(methodParameter, Node.class)) {
91 return renderingContext.getMainContent();
92 }
93 Node currentContent = renderingContext.getCurrentContent();
94 return currentContent != null ? currentContent : renderingContext.getMainContent();
95 }
96 if (methodParameter.getParameterType().isAssignableFrom(Content.class)) {
97 AggregationState aggregationState = MgnlContext.getAggregationState();
98 if (hasSubsequentParametersOfType(methodParameter, Content.class)) {
99 return ContentUtil.asContent(aggregationState.getMainContentNode());
100 }
101 Content currentContent = ContentUtil.asContent(aggregationState.getCurrentContentNode());
102 return currentContent != null ? currentContent : ContentUtil.asContent(aggregationState.getMainContentNode());
103 }
104 if (methodParameter.getParameterType().isAssignableFrom(TemplateDefinition.class)) {
105 return Components.getComponent(RenderingContext.class).getRenderableDefinition();
106 }
107 if (methodParameter.getParameterType().isAssignableFrom(BlossomTemplateDefinition.class)) {
108 return Components.getComponent(RenderingContext.class).getRenderableDefinition();
109 }
110 if (methodParameter.getParameterType().isAssignableFrom(AreaDefinition.class)) {
111 return Components.getComponent(RenderingContext.class).getRenderableDefinition();
112 }
113 if (methodParameter.getParameterType().isAssignableFrom(BlossomAreaDefinition.class)) {
114 return Components.getComponent(RenderingContext.class).getRenderableDefinition();
115 }
116 if (methodParameter.getParameterType().isAssignableFrom(AggregationState.class)) {
117 return MgnlContext.getAggregationState();
118 }
119 if (methodParameter.getParameterType().isAssignableFrom(WebContext.class)) {
120 return MgnlContext.getWebContext();
121 }
122 if (methodParameter.getParameterType().isAssignableFrom(Context.class)) {
123 return MgnlContext.getInstance();
124 }
125 if (methodParameter.getParameterType().isAssignableFrom(User.class)) {
126 return MgnlContext.getUser();
127 }
128 if (methodParameter.getParameterType().isAssignableFrom(MgnlUser.class)) {
129 return MgnlContext.getUser();
130 }
131 if (methodParameter.getParameterType().isAssignableFrom(Channel.class)) {
132 return MgnlContext.getAggregationState().getChannel();
133 }
134 if (methodParameter.getParameterType().isAssignableFrom(Theme.class)) {
135 Site site = siteManager.getCurrentSite();
136 if (site == null) {
137 return null;
138 }
139 return siteFunctions.theme(site);
140 }
141 if (methodParameter.getParameterType().isAssignableFrom(Site.class)) {
142 return siteManager.getCurrentSite();
143 }
144
145 return UNRESOLVED;
146 }
147
148 private boolean hasSubsequentParametersOfType(MethodParameter methodParameter, Class<?> clazz) {
149 Class<?>[] parameterTypes = methodParameter.getMethod().getParameterTypes();
150 for (int i = methodParameter.getParameterIndex() + 1; i < parameterTypes.length; i++) {
151 Class<?> parameterType = parameterTypes[i];
152 if (parameterType.equals(clazz)) {
153 return true;
154 }
155 }
156 return false;
157 }
158
159 @Override
160 public void afterPropertiesSet() throws Exception {
161 if (siteFunctions == null) {
162 this.siteFunctions = Components.getComponent(SiteFunctions.class);
163 }
164 if (siteManager == null) {
165 this.siteManager = Components.getComponent(SiteManager.class);
166 }
167 }
168 }