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Diffstat (limited to 'tags/java/sca/1.5.1/modules/binding-gdata-runtime/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java')
| -rw-r--r-- | tags/java/sca/1.5.1/modules/binding-gdata-runtime/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/modules/binding-gdata-runtime/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java b/tags/java/sca/1.5.1/modules/binding-gdata-runtime/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java new file mode 100644 index 0000000000..3d476df764 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-gdata-runtime/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java @@ -0,0 +1,171 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.tuscany.sca.binding.gdata.provider; + +import java.util.Date; + +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.data.collection.Item; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.interfacedef.DataType; + +import com.google.gdata.data.DateTime; +import com.google.gdata.data.PlainTextConstruct; +import com.google.gdata.data.TextContent; + +/** + * Utility methods used in this package. + * + * @version $Rev$ $Date$ + */ +class GdataBindingUtil { + + /** + * Create a data item from an GData entry. + * + * @param feedEntry + * @param itemClassType + * @param itemXMLType + * @param mediator + * @return + */ + static Entry<Object, Object> entry(com.google.gdata.data.Entry feedEntry, + DataType<?> itemClassType, + DataType<?> itemXMLType, + Mediator mediator) { + if (feedEntry != null) { + if (itemClassType.getPhysical() == Item.class) { + String key = feedEntry.getId().toString(); + + Item item = new Item(); + item.setTitle(feedEntry.getTitle().toString()); + TextContent content = (TextContent)feedEntry.getContent(); + item.setContents(content.getContent().getPlainText()); + + for (com.google.gdata.data.Link link : feedEntry.getLinks()) { + if (link.getRel() == null || "self".equals(link.getRel())) { + if (item.getLink() == null) { + item.setLink(link.getHref().toString()); + } + } else if ("related".equals(link.getRel())) { + item.setRelated(link.getHref().toString()); + } else if ("alternate".equals(link.getRel())) { + item.setAlternate(link.getHref().toString()); + } + } + + Date date = new Date(feedEntry.getUpdated().getValue()); + item.setDate(date); + return new Entry<Object, Object>(key, item); + + } else { + String key = null; + if (feedEntry.getId() != null) { + key = feedEntry.getId(); + } + + // Create the item from XML + if (feedEntry.getContent() == null) { + return null; + } + + TextContent content = (TextContent)feedEntry.getContent(); + String value = content.getContent().getPlainText(); + Object data = mediator.mediate(value, itemXMLType, itemClassType, null); + return new Entry<Object, Object>(key, data); + } + } else { + return null; + } + } + + /** + * Create an Gdata entry for a key and item from a collection. + * + * @param entry + * @param itemClassType + * @param itemXMLType + * @param mediator + * @param factory + * @return + */ + static com.google.gdata.data.Entry feedEntry(Entry<Object, Object> entry, + DataType<?> itemClassType, + DataType<?> itemXMLType, + Mediator mediator) { + + Object key = entry.getKey(); + Object data = entry.getData(); + if (data instanceof Item) { + Item item = (Item)data; + + com.google.gdata.data.Entry feedEntry = new com.google.gdata.data.Entry(); + if (key != null) { + feedEntry.setId(key.toString()); + } + feedEntry.setTitle(new PlainTextConstruct(item.getTitle())); + feedEntry.setContent(new PlainTextConstruct(item.getContents())); + + String href = item.getLink(); + if (href == null && key != null) { + href = key.toString(); + } + + if (href != null) { + feedEntry.addHtmlLink(href, "", ""); + } + String related = item.getRelated(); + if (related != null) { + feedEntry.addHtmlLink(related, "", "related"); + } + String alternate = item.getAlternate(); + if (alternate != null) { + feedEntry.addHtmlLink(alternate, "", "alternate"); + } + + Date date = item.getDate(); + if (date != null) { + DateTime datetime = new DateTime(date); + feedEntry.setUpdated(datetime); + } + return feedEntry; + + } else if (data != null) { + + com.google.gdata.data.Entry feedEntry = new com.google.gdata.data.Entry(); + feedEntry.setId(key.toString()); + feedEntry.setTitle(new PlainTextConstruct("item")); + + // Convert the item to XML + String value = mediator.mediate(data, itemClassType, itemXMLType, null).toString(); + + // Might be wrong because the example uses XML datatype, I am using + // plainText here + feedEntry.setContent(new PlainTextConstruct(value)); + + feedEntry.addHtmlLink(key.toString(), "", ""); + return feedEntry; + + } else { + return null; + } + } + +} |