Java tutorial
/** * 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.camel.component.printer; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.util.UUID; import javax.print.Doc; import javax.print.DocFlavor; import javax.print.DocPrintJob; import javax.print.PrintException; import javax.print.PrintService; import javax.print.PrintServiceLookup; import javax.print.attribute.HashPrintRequestAttributeSet; import javax.print.attribute.PrintRequestAttributeSet; import javax.print.attribute.standard.Copies; import javax.print.attribute.standard.MediaSizeName; import javax.print.attribute.standard.Sides; import org.apache.camel.util.IOHelper; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class PrinterOperations implements PrinterOperationsInterface { private static final transient Log LOG = LogFactory.getLog(PrinterOperations.class); private PrintService printService; private DocPrintJob job; private DocFlavor flavor; private PrintRequestAttributeSet printRequestAttributeSet; private Doc doc; public PrinterOperations() throws PrintException { printService = PrintServiceLookup.lookupDefaultPrintService(); if (printService == null) { throw new PrintException("Printer lookup failure. No default printer set up for this host"); } job = printService.createPrintJob(); flavor = DocFlavor.BYTE_ARRAY.AUTOSENSE; printRequestAttributeSet = new HashPrintRequestAttributeSet(); printRequestAttributeSet.add(new Copies(1)); printRequestAttributeSet.add(MediaSizeName.NA_LETTER); printRequestAttributeSet.add(Sides.ONE_SIDED); } public PrinterOperations(PrintService printService, DocPrintJob job, DocFlavor flavor, PrintRequestAttributeSet printRequestAttributeSet) throws PrintException { this(); this.setPrintService(printService); this.setJob(job); this.setFlavor(flavor); this.setPrintRequestAttributeSet(printRequestAttributeSet); } public void print(Doc doc, int copies, boolean sendToPrinter, String mimeType) throws PrintException { LOG.trace("Print Service: " + this.printService.getName()); LOG.trace("About to print " + copies + " copy(s)"); for (int i = 0; i < copies; i++) { if (!sendToPrinter) { LOG.debug( "Print flag is set to false. This job will not be printed until this setting remains in effect." + " Please set the flag to true or remove the setting."); File file; if (mimeType.equalsIgnoreCase("GIF") || mimeType.equalsIgnoreCase("RENDERABLE_IMAGE")) { file = new File("./target/TestPrintJobNo" + i + "_" + UUID.randomUUID() + ".gif"); } else if (mimeType.equalsIgnoreCase("JPEG")) { file = new File("./target/TestPrintJobNo" + i + "_" + UUID.randomUUID() + ".jpeg"); } else if (mimeType.equalsIgnoreCase("PDF")) { file = new File("./target/TestPrintJobNo" + i + "_" + UUID.randomUUID() + ".pdf"); } else { file = new File("./target/TestPrintJobNo" + i + "_" + UUID.randomUUID() + ".txt"); } LOG.debug("Writing print job to file: " + file.getAbsolutePath()); try { InputStream in = doc.getStreamForBytes(); FileOutputStream fos = new FileOutputStream(file); IOHelper.copyAndCloseInput(in, fos); IOHelper.close(fos); } catch (Exception e) { throw new PrintException("Error writing Document to the target file " + file.getAbsolutePath()); } } else { if (LOG.isDebugEnabled()) { LOG.debug("Issuing Job " + i + " to Printer: " + this.printService.getName()); } print(doc); } } } public void print(Doc doc) throws PrintException { job.print(doc, printRequestAttributeSet); } public PrintService getPrintService() { return printService; } public void setPrintService(PrintService printService) { this.printService = printService; } public DocPrintJob getJob() { return job; } public void setJob(DocPrintJob job) { this.job = job; } public DocFlavor getFlavor() { return flavor; } public void setFlavor(DocFlavor flavor) { this.flavor = flavor; } public PrintRequestAttributeSet getPrintRequestAttributeSet() { return printRequestAttributeSet; } public void setPrintRequestAttributeSet(PrintRequestAttributeSet printRequestAttributeSet) { this.printRequestAttributeSet = printRequestAttributeSet; } public Doc getDoc() { return doc; } public void setDoc(Doc doc) { this.doc = doc; } }