clean up scripting

This commit is contained in:
Jörg Prante 2022-01-27 10:35:00 +01:00
parent 78925aaf12
commit 366adee432
25 changed files with 72 additions and 62 deletions

View file

@ -4,11 +4,10 @@ import java.util.logging.Level;
import org.xbib.graphics.pdfbox.layout.element.scripting.command.Command;
import org.xbib.settings.Settings;
import java.io.Closeable;
import java.io.IOException;
import java.util.logging.Logger;
public class Engine implements Closeable {
public class Engine {
private static final Logger logger = Logger.getLogger(Engine.class.getName());
@ -19,8 +18,8 @@ public class Engine implements Closeable {
private final State state;
public Engine() {
packageName = getClass().getPackageName();
classLoader = getClass().getClassLoader();
this.packageName = getClass().getPackageName();
this.classLoader = getClass().getClassLoader();
this.state = new State();
}
@ -30,12 +29,20 @@ public class Engine implements Closeable {
public void executeElements(Settings settings) throws IOException {
execute(settings.getAsSettings("elements"));
// limit to 1000 elements, abort if no element is present
for (int i = 0; i < 1000; i++) {
// limit to 1000 elements and abort if no element is present
int i = 0;
for (i = 0; i < 1000; i++) {
if (!executeElement(i, settings)) {
break;
}
}
if (i == 1000) {
throw new IllegalStateException("limit of 1000 elements reached");
}
}
public State getState() {
return state;
}
private boolean executeElement(int i, Settings settings) throws IOException {
@ -48,11 +55,11 @@ public class Engine implements Closeable {
}
private void executeSettings(Settings settings) throws IOException {
String type = settings.get("type");
if (type == null) {
throw new IllegalArgumentException("missing type in " + settings.getAsMap());
}
try {
String type = settings.get("type");
if (type == null) {
return;
}
String className = packageName + ".command." + type.substring(0, 1).toUpperCase() + type.substring(1) + "Command";
Class<?> cl = classLoader.loadClass(className);
Command command = (Command) cl.getConstructor().newInstance();
@ -65,11 +72,4 @@ public class Engine implements Closeable {
}
}
@Override
public void close() throws IOException {
}
public State getState() {
return state;
}
}

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@ -9,18 +9,25 @@ import java.util.stream.Collectors;
public class State {
public Stack<Element> elements = new Stack<>();
private final Stack<Element> elements = new Stack<>();
public Document getDocument() {
List<Document> list = getDocuments();
int size = list.size();
return size > 0 ? list.get(size - 1) : null;
public Stack<Element> getElements() {
return elements;
}
public List<Document> getDocuments() {
return elements.stream()
/**
* Get last document.
*
* @return the last document or null if there is no document.
*/
public Document getDocument() {
// there is no stream function to find last element, so we build the stream of documents into a list
// and get the last element from the list
List<Document> list = elements.stream()
.filter(e -> e instanceof Document)
.map(e -> (Document) e)
.collect(Collectors.toList());
int size = list.size();
return size == 0 ? null : list.get(size - 1);
}
}

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@ -53,6 +53,6 @@ public class BarcodeCommand implements Command {
float margintop = Float.parseFloat(margins[2]);
float marginbottom = Float.parseFloat(margins[3]);
VerticalLayoutHint verticalLayoutHint = new VerticalLayoutHint(alignment, marginleft, marginright, margintop, marginbottom, true);
state.elements.peek().add(element, verticalLayoutHint);
state.getElements().peek().add(element, verticalLayoutHint);
}
}

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@ -65,7 +65,7 @@ public class CellCommand implements Command {
}
cell.colSpan(settings.getAsInt("colspan", 1));
cell.rowSpan(settings.getAsInt("rowspan", 1));
state.elements.peek().add(cell.build());
state.getElements().peek().add(cell.build());
} else if (settings.containsSetting("markup")) {
ParagraphCell.Builder cell = ParagraphCell.builder();
cell.colSpan(settings.getAsInt("colspan", 1));
@ -90,7 +90,7 @@ public class CellCommand implements Command {
if (lineSpacing != null && lineSpacing >= 0f) {
cell.lineSpacing(lineSpacing);
}
state.elements.peek().add(cell.build());
state.getElements().peek().add(cell.build());
}
}
}

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@ -50,6 +50,6 @@ public class ChartCommand implements Command {
float margintop = Float.parseFloat(margins[2]);
float marginbottom = Float.parseFloat(margins[3]);
VerticalLayoutHint verticalLayoutHint = new VerticalLayoutHint(alignment, marginleft, marginright, margintop, marginbottom, true);
state.elements.peek().add(element, verticalLayoutHint);
state.getElements().peek().add(element, verticalLayoutHint);
}
}

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@ -14,6 +14,6 @@ public class ColumnlayoutCommand implements Command {
ColumnLayout columnLayout = new ColumnLayout();
columnLayout.setColumnCount(settings.getAsInt("columns", 2));
columnLayout.setColumnSpacing(settings.getAsFloat("spacing", 10f));
state.elements.peek().add(columnLayout);
state.getElements().peek().add(columnLayout);
}
}

View file

@ -7,5 +7,6 @@ import org.xbib.settings.Settings;
import java.io.IOException;
public interface Command {
void execute(Engine engine, State state, Settings settings) throws IOException;
}

View file

@ -67,7 +67,7 @@ public class DocumentCommand implements Command {
} else {
document.setModificationDate(instant);
}
state.elements.push(document);
state.getElements().push(document);
engine.executeElements(settings);
}
}

View file

@ -23,6 +23,6 @@ public class FrameCommand implements Command {
Color borderColor = ColorFactory.web(settings.get("bordercolor", "black"));
frame.setBorderColor(borderColor);
}
state.elements.peek().add(frame);
state.getElements().peek().add(frame);
}
}

View file

@ -32,6 +32,6 @@ public class HorizontalrulerCommand implements Command {
if (settings.containsSetting("width")) {
horizontalRuler.setMaxWidth(mmToPt(settings.getAsFloat("width", -1f)));
}
state.elements.peek().add(horizontalRuler);
state.getElements().peek().add(horizontalRuler);
}
}

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@ -15,6 +15,7 @@ import java.util.Locale;
import static org.xbib.graphics.pdfbox.layout.util.PdfUtil.mmToPt;
public class ImageCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
ImageElement imageElement = new ImageElement();
@ -48,6 +49,6 @@ public class ImageCommand implements Command {
float margintop = Float.parseFloat(margins[2]);
float marginbottom = Float.parseFloat(margins[3]);
VerticalLayoutHint verticalLayoutHint = new VerticalLayoutHint(alignment, marginleft, marginright, margintop, marginbottom, true);
state.elements.peek().add(imageElement, verticalLayoutHint);
state.getElements().peek().add(imageElement, verticalLayoutHint);
}
}

View file

@ -12,6 +12,6 @@ public class MarkpositionCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
PositionElement.MarkPosition markPosition = PositionElement.createMarkPosition();
state.elements.peek().add(markPosition);
state.getElements().peek().add(markPosition);
}
}

View file

@ -15,6 +15,6 @@ public class MovepositionCommand implements Command {
public void execute(Engine engine, State state, Settings settings) throws IOException {
PositionElement.MovePosition movePosition = PositionElement.createMovePosition(mmToPt(settings.getAsFloat("x", 0f)),
mmToPt(settings.getAsFloat("y", null)));
state.elements.peek().add(movePosition);
state.getElements().peek().add(movePosition);
}
}

View file

@ -8,9 +8,10 @@ import org.xbib.settings.Settings;
import java.io.IOException;
public class NewcolumnCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
ControlElement controlElement = ControlElement.NEWCOLUMN;
state.elements.peek().add(controlElement);
state.getElements().peek().add(controlElement);
}
}

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@ -8,9 +8,10 @@ import org.xbib.settings.Settings;
import java.io.IOException;
public class NewpageCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
ControlElement controlElement = ControlElement.NEWPAGE;
state.elements.peek().add(controlElement);
state.getElements().peek().add(controlElement);
}
}

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@ -33,9 +33,9 @@ public class ParagraphCommand implements Command {
if (settings.containsSetting("rotation")) {
paragraph.setRotation(settings.getAsFloat("rotation", 0f));
}
state.elements.push(paragraph);
state.getElements().push(paragraph);
engine.executeElements(settings);
state.elements.pop();
state.getElements().pop();
Alignment alignment = Alignment.valueOf(settings.get("layout.alignment", "left").toUpperCase(Locale.ROOT));
String margin = settings.get("layout.margin", "0 0 0 0");
String[] margins = margin.split("\\s+");
@ -45,6 +45,6 @@ public class ParagraphCommand implements Command {
float marginbottom = Float.parseFloat(margins[3]);
boolean resetY = settings.getAsBoolean("layout.resety", false);
VerticalLayoutHint verticalLayoutHint = new VerticalLayoutHint(alignment, marginleft, marginright, margintop, marginbottom, resetY);
state.elements.peek().add(paragraph, verticalLayoutHint);
state.getElements().peek().add(paragraph, verticalLayoutHint);
}
}

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@ -61,6 +61,6 @@ public class PathCommand implements Command {
strokeBuilder.dashPattern(new Stroke.DashPattern(settings.getAsFloat("dash", 1f)));
}
Color color = ColorFactory.web(settings.get("color", "black"));
state.elements.peek().add(new PathElement(path, strokeBuilder.build(), color, position), LayoutHint.NOP);
state.getElements().peek().add(new PathElement(path, strokeBuilder.build(), color, position), LayoutHint.NOP);
}
}

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@ -12,6 +12,6 @@ public class ResetpositionCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
PositionElement.ResetPosition resetPosition = PositionElement.createResetPosition();
state.elements.peek().add(resetPosition);
state.getElements().peek().add(resetPosition);
}
}

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@ -52,9 +52,9 @@ public class RowCommand implements Command {
if (settings.containsSetting("verticalalignment")) {
row.verticalAlignment(VerticalAlignment.valueOf(settings.get("verticalalignment", "left").toUpperCase(Locale.ROOT)));
}
state.elements.push(row);
state.getElements().push(row);
engine.executeElements(settings);
state.elements.pop();
state.elements.peek().add(row);
state.getElements().pop();
state.getElements().peek().add(row);
}
}

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@ -13,9 +13,8 @@ public class SetpositionCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
PositionElement.SetPosition setPosition =
PositionElement.createSetPosition(mmToPt(settings.getAsFloat("x", 0f)),
PositionElement.SetPosition setPosition = PositionElement.createSetPosition(mmToPt(settings.getAsFloat("x", 0f)),
mmToPt(settings.getAsFloat("y", 0f)));
state.elements.peek().add(setPosition);
state.getElements().peek().add(setPosition);
}
}

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@ -34,9 +34,9 @@ public class TableCommand implements Command {
float paddingBottom = Float.parseFloat(paddings[3]);
tableElement.padding(paddingLeft, paddingRight, paddingTop, paddingBottom);
}
state.elements.push(tableElement);
state.getElements().push(tableElement);
engine.executeElements(settings);
state.elements.pop();
state.elements.peek().add(tableElement);
state.getElements().pop();
state.getElements().peek().add(tableElement);
}
}

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@ -25,11 +25,11 @@ public class TextCommand implements Command {
float fontsize = settings.getAsFloat("fontsize", 11.0f);
Document document = state.getDocument();
Font font = Fonts.valueOf(settings.get("font", "helvetica").toUpperCase(Locale.ROOT)).getFont(document);
Element element = state.elements.peek();
Element element = state.getElements().peek();
if (element instanceof Paragraph) {
element.add(new TextElement(value, font, fontsize));
} else if (element instanceof Document) {
// wrap text into a paragraph
// wrap text into a standard paragraph
Paragraph paragraph = new Paragraph();
if (settings.containsSetting("x") && settings.containsSetting("y")) {
paragraph.setAbsolutePosition(new Position(mmToPt(settings.getAsFloat("x", 0f)), mmToPt(settings.getAsFloat("y", 0f))));

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@ -17,11 +17,13 @@ public class TransformCommand implements Command {
element.setScale(settings.getAsFloat("scalex", null), settings.getAsFloat("scaley", null));
}
if (settings.containsSetting("translatex") && settings.containsSetting("translatey")) {
element.setTranslate(mmToPt(settings.getAsFloat("translatex", null)), mmToPt(settings.getAsFloat("translatey", null)));
element.setTranslate(mmToPt(settings.getAsFloat("translatex", null)),
mmToPt(settings.getAsFloat("translatey", null)));
}
if (settings.containsSetting("angle") && settings.containsSetting("rotatex") && settings.containsSetting("rotatey")) {
element.setRotate(settings.getAsFloat("angle", null), mmToPt(settings.getAsFloat("rotatex", null)), mmToPt(settings.getAsFloat("rotatey", null)));
element.setRotate(settings.getAsFloat("angle", null), mmToPt(settings.getAsFloat("rotatex", null)),
mmToPt(settings.getAsFloat("rotatey", null)));
}
state.elements.peek().add(element);
state.getElements().peek().add(element);
}
}

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@ -8,9 +8,10 @@ import org.xbib.settings.Settings;
import java.io.IOException;
public class VerticalspacerCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
VerticalSpacer verticalSpacer = new VerticalSpacer(settings.getAsFloat("height", 0f));
state.elements.peek().add(verticalSpacer);
state.getElements().peek().add(verticalSpacer);
}
}

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@ -16,10 +16,7 @@ public class ScriptingTest {
.build();
Engine engine = new Engine();
engine.execute(settings);
int i = 0;
for (Document document : engine.getState().getDocuments()) {
document.render().save(new FileOutputStream("build/scripting" + (i++) + ".pdf")).close();
}
engine.close();
Document document = engine.getState().getDocument();
document.render().save(new FileOutputStream("build/scripting.pdf")).close();
}
}