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Diffstat (limited to 'server/src/com/vaadin/terminal/ThemeResource.java')
-rw-r--r-- | server/src/com/vaadin/terminal/ThemeResource.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/server/src/com/vaadin/terminal/ThemeResource.java b/server/src/com/vaadin/terminal/ThemeResource.java new file mode 100644 index 0000000000..61fe157ee6 --- /dev/null +++ b/server/src/com/vaadin/terminal/ThemeResource.java @@ -0,0 +1,106 @@ +/* + * Copyright 2011 Vaadin Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may not + * use this file except in compliance with the License. You may obtain a copy of + * the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations under + * the License. + */ + +package com.vaadin.terminal; + +import com.vaadin.service.FileTypeResolver; + +/** + * <code>ThemeResource</code> is a named theme dependant resource provided and + * managed by a theme. The actual resource contents are dynamically resolved to + * comply with the used theme by the terminal adapter. This is commonly used to + * provide static images, flash, java-applets, etc for the terminals. + * + * @author Vaadin Ltd. + * @since 3.0 + */ +@SuppressWarnings("serial") +public class ThemeResource implements Resource { + + /** + * Id of the terminal managed resource. + */ + private String resourceID = null; + + /** + * Creates a resource. + * + * @param resourceId + * the Id of the resource. + */ + public ThemeResource(String resourceId) { + if (resourceId == null) { + throw new NullPointerException("Resource ID must not be null"); + } + if (resourceId.length() == 0) { + throw new IllegalArgumentException("Resource ID can not be empty"); + } + if (resourceId.charAt(0) == '/') { + throw new IllegalArgumentException( + "Resource ID must be relative (can not begin with /)"); + } + + resourceID = resourceId; + } + + /** + * Tests if the given object equals this Resource. + * + * @param obj + * the object to be tested for equality. + * @return <code>true</code> if the given object equals this Icon, + * <code>false</code> if not. + * @see java.lang.Object#equals(Object) + */ + @Override + public boolean equals(Object obj) { + return obj instanceof ThemeResource + && resourceID.equals(((ThemeResource) obj).resourceID); + } + + /** + * @see java.lang.Object#hashCode() + */ + @Override + public int hashCode() { + return resourceID.hashCode(); + } + + /** + * @see java.lang.Object#toString() + */ + @Override + public String toString() { + return resourceID.toString(); + } + + /** + * Gets the resource id. + * + * @return the resource id. + */ + public String getResourceId() { + return resourceID; + } + + /** + * @see com.vaadin.terminal.Resource#getMIMEType() + */ + @Override + public String getMIMEType() { + return FileTypeResolver.getMIMEType(getResourceId()); + } +} |