impimageinform.java

OBPM是一个开源

package cn.myapps.core.expimp.imp.ejb;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

import org.apache.commons.beanutils.DynaBean;
import org.htmlparser.Node;
import org.htmlparser.Parser;
import org.htmlparser.tags.ImageTag;

import cn.myapps.constans.Environment;

public class ImpImageInForm extends ImpElement {
	public final static String COLUMN_TEMPLATECONTEXT = "TEMPLATECONTEXT";

	public ImpImageInForm(String appId, String modId) {
		super(appId, modId);
	}

	public void setForeignKeyValue(DynaBean bean) {
	}

	public String getTableName() {
		return null;
	}

	public String getDisplayName() {
		return null;
	}

	public Collection getImportImageUrls(Collection dynaBeans, String ids[],
			Environment evt) throws Exception {
		Collection rtn = new ArrayList();

		Collection colls = this.getBeansOfTable(dynaBeans, ImpForm.NAME);

		for (Iterator iter = colls.iterator(); iter.hasNext();) {
			DynaBean bean = (DynaBean) iter.next();

			String id = (String) bean.get(IMPOBJECT_ID);
			for (int i = 0; i < ids.length; i++) {
				if (id.equals(ids[i])) {
					String context = (String) bean.get(COLUMN_TEMPLATECONTEXT);
					Parser parser = new Parser();
					parser.setInputHTML(context);
					Node[] nodes = parser
							.extractAllNodesThatAre(ImageTag.class);
					for (int j = 0; j < nodes.length; j++) {
						ImageTag el = (ImageTag) nodes[j];
						String url = el.getAttribute("src");
						String ctxPath = evt.getContextPath();

						if (url != null && url.trim().length() > 0) {
							url = url.substring(ctxPath.length(), url.length());
							rtn.add(evt.getWebcontextRealPath(url));
						}
					}
				}
			}
		}

		return rtn;
	}

}