ExtractPlainProcess.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.adobe.granite.workflow.WorkflowException
* com.adobe.granite.workflow.WorkflowSession
* com.adobe.granite.workflow.exec.WorkItem
* com.adobe.granite.workflow.exec.WorkflowData
* com.adobe.granite.workflow.exec.WorkflowProcess
* com.adobe.granite.workflow.metadata.MetaDataMap
* com.day.cq.dam.api.Asset
* com.day.cq.dam.api.Rendition
* com.day.cq.dam.commons.util.DamUtil
* javax.jcr.Session
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Properties
* org.apache.felix.scr.annotations.Property
* org.apache.felix.scr.annotations.Reference
* org.apache.felix.scr.annotations.Service
* org.apache.poi.hwpf.HWPFDocument
* org.apache.poi.hwpf.usermodel.Paragraph
* org.apache.poi.hwpf.usermodel.Range
* org.apache.poi.xwpf.usermodel.XWPFDocument
* org.apache.poi.xwpf.usermodel.XWPFParagraph
* org.apache.sling.api.resource.LoginException
* org.apache.sling.api.resource.ModifiableValueMap
* org.apache.sling.api.resource.Resource
* org.apache.sling.api.resource.ResourceResolver
* org.apache.sling.api.resource.ResourceResolverFactory
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.cq.dam.word.process;
import com.adobe.granite.workflow.WorkflowException;
import com.adobe.granite.workflow.WorkflowSession;
import com.adobe.granite.workflow.exec.WorkItem;
import com.adobe.granite.workflow.exec.WorkflowData;
import com.adobe.granite.workflow.exec.WorkflowProcess;
import com.adobe.granite.workflow.metadata.MetaDataMap;
import com.day.cq.dam.api.Asset;
import com.day.cq.dam.api.Rendition;
import com.day.cq.dam.commons.util.DamUtil;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.jcr.Session;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.usermodel.Paragraph;
import org.apache.poi.hwpf.usermodel.Range;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.sling.api.resource.LoginException;
import org.apache.sling.api.resource.ModifiableValueMap;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceResolverFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component
@Service(value={WorkflowProcess.class})
@Properties(value={@Property(name="service.description", value={"Extracts plain text from a Word document and adds it as a rendition."}), @Property(name="service.vendor", value={"Adobe"}), @Property(name="process.label", value={"Extract Plain Text From Word"})})
public class ExtractPlainProcess
implements WorkflowProcess {
private static final Logger log = LoggerFactory.getLogger(ExtractPlainProcess.class);
private static final String JCR_PATH = "JCR_PATH";
@Reference
ResourceResolverFactory resourceResolverFactory;
public void execute(WorkItem item, WorkflowSession session, MetaDataMap args) throws WorkflowException {
try {
String doc;
Session jcrSession = (Session)session.adaptTo(Session.class);
HashMap<String, Session> params = new HashMap<String, Session>();
params.put("user.jcr.session", jcrSession);
ResourceResolver resourceResolver = this.resourceResolverFactory.getResourceResolver(params);
Asset asset = this.getPayloadAsset(item, resourceResolver);
String assetMime = asset.getMimeType();
if (assetMime.matches("application.*msword")) {
doc = this.extractFromDoc(asset);
} else if (assetMime.equals("application/vnd.openxmlformats-officedocument.wordprocessingml.document")) {
doc = this.extractFromDocx(asset);
} else {
String msg = "No appropriate extractor found for: " + asset.getName();
throw new IOException(msg);
}
Rendition rendition = asset.addRendition("plain", (InputStream)new ByteArrayInputStream(doc.getBytes("UTF-8")), "text/plain");
Resource resource = rendition.getChild("jcr:content");
ModifiableValueMap contentProps = (ModifiableValueMap)resource.adaptTo(ModifiableValueMap.class);
contentProps.put((Object)"jcr:encoding", (Object)"UTF-8");
ResourceResolver resResolver = resource.getResourceResolver();
resResolver.commit();
}
catch (IOException ex) {
log.error("Could not generate plain text rendition: " + ex);
}
catch (LoginException ex) {
log.error("Could not generate plain text rendition: " + (Object)ex);
}
}
private String extractFromDoc(Asset asset) throws IOException {
Paragraph[] paragraphs;
String result = "";
HWPFDocument doc = new HWPFDocument(asset.getOriginal().getStream());
for (Paragraph paragraph : paragraphs = this.getParagraphs(doc.getRange())) {
result = result + paragraph.text() + "\n\n";
}
return result;
}
private String extractFromDocx(Asset asset) throws IOException {
String result = "";
XWPFDocument doc = new XWPFDocument(asset.getOriginal().getStream());
Iterator paraIter = doc.getParagraphsIterator();
while (paraIter.hasNext()) {
result = result + ((XWPFParagraph)paraIter.next()).getText() + "\n\n";
}
return result;
}
private Asset getPayloadAsset(WorkItem item, ResourceResolver resourceResolver) {
Asset asset = null;
if (item.getWorkflowData().getPayloadType().equals("JCR_PATH")) {
Resource resource;
String path = item.getWorkflowData().getPayload().toString();
if (resourceResolver != null && null != (resource = resourceResolver.getResource(path))) {
asset = DamUtil.resolveToAsset((Resource)resource);
}
}
return asset;
}
private Paragraph[] getParagraphs(Range range) {
Paragraph[] paragraphs = new Paragraph[range.numParagraphs()];
for (int i = 0; i < paragraphs.length; ++i) {
paragraphs[i] = range.getParagraph(i);
}
return paragraphs;
}
protected void bindResourceResolverFactory(ResourceResolverFactory resourceResolverFactory) {
this.resourceResolverFactory = resourceResolverFactory;
}
protected void unbindResourceResolverFactory(ResourceResolverFactory resourceResolverFactory) {
if (this.resourceResolverFactory == resourceResolverFactory) {
this.resourceResolverFactory = null;
}
}
}