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Added image rendering mode #13

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Apr 20, 2018
Merged

Added image rendering mode #13

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379bc64
Added image rendering mode
Apr 20, 2018
b6c6c00
Added new options
Apr 19, 2018
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8 changes: 7 additions & 1 deletion configuration.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -47,4 +47,10 @@ resources:
# Enable/disable document upload
upload: true
# Enable/disable document print
print: true
print: true
# Set default document to view
defaultDocument: ''
# Enable/disable documents browse
browse: true
# Enable/disable HTMl rendering mode, false for image mode
htmlMode: true
36 changes: 36 additions & 0 deletions src/main/java/com/aliensoft/quickview/config/QuickViewConfig.java
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Expand Up @@ -128,6 +128,18 @@ public class Resources{
@JsonProperty
private boolean print;

@Valid
@JsonProperty
private String defaultDocument;

@Valid
@JsonProperty
private boolean browse;

@Valid
@JsonProperty
private boolean htmlMode;

public Boolean getRunAsService() {
return runAsService;
}
Expand Down Expand Up @@ -215,6 +227,30 @@ public boolean isPrint() {
public void setPrint(boolean print) {
this.print = print;
}

public String getDefaultDocument() {
return defaultDocument;
}

public void setDefaultDocument(String defaultDocument) {
this.defaultDocument = defaultDocument;
}

public boolean isBrowse() {
return browse;
}

public void setBrowse(boolean browse) {
this.browse = browse;
}

public boolean isHtmlMode() {
return htmlMode;
}

public void setHtmlMode(boolean htmlMode) {
this.htmlMode = htmlMode;
}
}

/**
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9 changes: 9 additions & 0 deletions src/main/java/com/aliensoft/quickview/domain/wrapper/LoadedPageWrapper.java
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Expand Up @@ -6,6 +6,7 @@
public class LoadedPageWrapper {
private String pageHtml;
private String angle;
private String pageImage;

public String getPageHtml() {
return pageHtml;
Expand All @@ -22,4 +23,12 @@ public String getAngle() {
public void setAngle(String angle) {
this.angle = angle;
}

public String getPageImage() {
return pageImage;
}

public void setPageImage(String pageImage) {
this.pageImage = pageImage;
}
}
59 changes: 47 additions & 12 deletions src/main/java/com/aliensoft/quickview/resources/QuickViewResource.java
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Expand Up @@ -11,18 +11,21 @@
import com.google.gson.Gson;
import com.groupdocs.viewer.config.ViewerConfig;
import com.groupdocs.viewer.converter.options.HtmlOptions;
import com.groupdocs.viewer.converter.options.ImageOptions;
import com.groupdocs.viewer.domain.FileDescription;
import com.groupdocs.viewer.domain.containers.DocumentInfoContainer;
import com.groupdocs.viewer.domain.containers.FileListContainer;
import com.groupdocs.viewer.domain.options.DocumentInfoOptions;
import com.groupdocs.viewer.domain.options.FileListOptions;
import com.groupdocs.viewer.domain.options.RotatePageOptions;
import com.groupdocs.viewer.handler.ViewerHtmlHandler;
import com.groupdocs.viewer.handler.ViewerImageHandler;
import com.groupdocs.viewer.licensing.License;
import io.dropwizard.jetty.ConnectorFactory;
import io.dropwizard.jetty.HttpConnectorFactory;
import io.dropwizard.server.SimpleServerFactory;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.eclipse.jetty.server.Request;
import org.json.JSONArray;
import org.json.JSONObject;
Expand Down Expand Up @@ -50,6 +53,7 @@
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.ArrayList;
import java.util.Base64;

/**
* QuickView
Expand All @@ -61,6 +65,7 @@
public class QuickViewResource extends QuickViewResourcesBase{
private final QuickViewConfig quickViewConfig;
private final ViewerHtmlHandler viewerHtmlHandler;
private final ViewerImageHandler viewerImageHandler;

/**
* Constructor
Expand All @@ -84,6 +89,8 @@ public QuickViewResource(QuickViewConfig quickViewConfig) throws UnknownHostExce
license.setLicense(quickViewConfig.getApplication().getLicensePath());
// initialize viewer instance for the HTML mode
viewerHtmlHandler = new ViewerHtmlHandler(config);
// initialize viewer instance for the Image mode
viewerImageHandler = new ViewerImageHandler(config);
}

/**
Expand Down Expand Up @@ -164,14 +171,20 @@ public Object loadDocumentDescription(@Context HttpServletRequest request, @Cont
String requestBody = getRequestBody(request);
// get/set parameters
String documentGuid = getJsonString(requestBody, "guid");
boolean htmlMode = getJsonBoolean(requestBody, "htmlMode");
// check if documentGuid contains path or only file name
if(!Paths.get(documentGuid).isAbsolute()){
documentGuid = quickViewConfig.getApplication().getFilesDirectory() + "/" + documentGuid;
}
DocumentInfoContainer documentInfoContainer = new DocumentInfoContainer();
// get document info options
DocumentInfoOptions documentInfoOptions = new DocumentInfoOptions(documentGuid);
// get document info container
DocumentInfoContainer documentInfoContainer = viewerHtmlHandler.getDocumentInfo(documentGuid, documentInfoOptions);
if(htmlMode) {
documentInfoContainer = viewerHtmlHandler.getDocumentInfo(documentGuid, documentInfoOptions);
} else {
documentInfoContainer = viewerImageHandler.getDocumentInfo(documentGuid, documentInfoOptions);
}
// return document description
return objectToJson(documentInfoContainer.getPages());
}catch (Exception ex){
Expand Down Expand Up @@ -199,18 +212,33 @@ public Object loadDocumentPage(@Context HttpServletRequest request, @Context Htt
// get/set parameters
String documentGuid = getJsonString(requestBody, "guid");
int pageNumber = getJsonInteger(requestBody, "page");
boolean htmlMode = getJsonBoolean(requestBody, "htmlMode");
LoadedPageWrapper loadedPage = new LoadedPageWrapper();
String angle = "0";
// set options
HtmlOptions htmlOptions = new HtmlOptions();
htmlOptions.setPageNumber(pageNumber);
htmlOptions.setCountPagesToRender(1);
htmlOptions.setResourcesEmbedded(true);
// get page HTML
loadedPage.setPageHtml(viewerHtmlHandler.getPages(documentGuid, htmlOptions).get(0).getHtmlContent());
// get page rotation angle
String angle = String.valueOf(viewerHtmlHandler.getDocumentInfo(documentGuid).getPages().get(pageNumber - 1).getAngle());
if(htmlMode) {
HtmlOptions htmlOptions = new HtmlOptions();
htmlOptions.setPageNumber(pageNumber);
htmlOptions.setCountPagesToRender(1);
htmlOptions.setResourcesEmbedded(true);
// get page HTML
loadedPage.setPageHtml(viewerHtmlHandler.getPages(documentGuid, htmlOptions).get(0).getHtmlContent());
// get page rotation angle
angle = String.valueOf(viewerHtmlHandler.getDocumentInfo(documentGuid).getPages().get(pageNumber - 1).getAngle());
} else {
ImageOptions imageOptions = new ImageOptions();
imageOptions.setPageNumber(pageNumber);
imageOptions.setCountPagesToRender(1);
// get page image
byte[] bytes = IOUtils.toByteArray(viewerImageHandler.getPages(documentGuid, imageOptions).get(0).getStream());
// encode ByteArray into String
String incodedImage = new String(Base64.getEncoder().encode(bytes));
loadedPage.setPageImage(incodedImage);
// get page rotation angle
angle = String.valueOf(viewerImageHandler.getDocumentInfo(documentGuid).getPages().get(pageNumber - 1).getAngle());
}
loadedPage.setAngle(angle);
// return html
// return loaded page object
return objectToJson(loadedPage);
}catch (Exception ex){
// set response content type
Expand Down Expand Up @@ -240,6 +268,7 @@ public Object rotateDocumentPages(@Context HttpServletRequest request, @Context
String documentGuid = getJsonString(requestBody, "guid");
int angle = Integer.parseInt(getJsonString(requestBody, "angle"));
JSONArray pages = new JSONObject(requestBody).getJSONArray("pages");
boolean htmlMode = getJsonBoolean(requestBody, "htmlMode");
// a list of the rotated pages info
ArrayList<RotatedPageWrapper> rotatedPages = new ArrayList<RotatedPageWrapper>();
// rotate pages
Expand All @@ -249,11 +278,17 @@ public Object rotateDocumentPages(@Context HttpServletRequest request, @Context
int pageNumber = Integer.parseInt(pages.get(i).toString());
RotatePageOptions rotateOptions = new RotatePageOptions(pageNumber, angle);
// perform page rotation
viewerHtmlHandler.rotatePage(documentGuid, rotateOptions);
String resultAngle = "0";
if(htmlMode) {
viewerHtmlHandler.rotatePage(documentGuid, rotateOptions);
resultAngle = String.valueOf(viewerHtmlHandler.getDocumentInfo(documentGuid).getPages().get(pageNumber - 1).getAngle());
} else {
viewerImageHandler.rotatePage(documentGuid, rotateOptions);
resultAngle = String.valueOf(viewerImageHandler.getDocumentInfo(documentGuid).getPages().get(pageNumber - 1).getAngle());
}
// add rotated page number
rotatedPage.setPageNumber(pageNumber);
// add rotated page angle
String resultAngle = String.valueOf(viewerHtmlHandler.getDocumentInfo(documentGuid).getPages().get(pageNumber - 1).getAngle());
rotatedPage.setAngle(resultAngle);
// add rotated page object into resulting list
rotatedPages.add(rotatedPage);
Expand Down
11 changes: 11 additions & 0 deletions src/main/java/com/aliensoft/quickview/resources/QuickViewResourcesBase.java
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Expand Up @@ -102,4 +102,15 @@ protected int getJsonInteger(String json, String key){
return value;
}

protected boolean getJsonBoolean(String json, String key){
boolean value = true;
try {
JSONObject jsonObject = new JSONObject(json);
value = jsonObject.getBoolean(key);
} catch (JSONException e) {
e.printStackTrace();
}
return value;
}

}
5 changes: 4 additions & 1 deletion src/main/resources/com/aliensoft/quickview/views/quickview.ftl
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Expand Up @@ -23,7 +23,10 @@
rotate: ${config.resources.rotate?c},
download: ${config.resources.download?c},
upload: ${config.resources.upload?c},
print: ${config.resources.print?c}
print: ${config.resources.print?c},
defaultDocument: '${config.resources.defaultDocument}',
browse: ${config.resources.browse?c},
htmlMode: ${config.resources.htmlMode?c}
});
</script>
</body>
Expand Down