Gson custom deserialization but only one field

I’m receiving from API long json, e.g.: { “field1”: “val1”, “field2”: “val2”, … “SOME_FIELD”: ” ABC “, … “fieldx”: “valx” } I would like to deserialize it with Gson. Everything works fine but field’s “SOME_FIELD” value is always with annoying spaces. I would like to trim() this field value (API can’t be changed). I know I can use JsonDeserializer but…
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Retrive XML tags from JAVA after a certain time

From an XML document with timestamp tags i need to collect date and time and search for some entries after that time in that particular day. I use java . Any suggestions on how to do this? .Like say if run a java function getentriesafter(now,entryname) it needs to return entries after that particular time From an XML document with timestamp…
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How to generate JaxB-Classes with java.util.Optional?

I use the jaxb2-maven-plugin to generate JaxB-Classes from a given XSD. It works fine. But now I want to use java.util.Optional in the generated Classes. But JaxB generated the Classes without the Optionals. So I’m forced to make a Null-Check of every Variable. Did anybody know how the jaxb2-maven-plugin has to be configured to use the java.util.Optional? Thanks for you…
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Hibernate deleting user

I want to implement a method for deleting a given user, I have tried so many different ways but it still generates some errors, here are my classes: @Entity @Table(name = “roles”, catalog = “demo”, uniqueConstraints = @UniqueConstraint(columnNames = { “name” }) ) public class Role { private String name; public Role() { } public Role(final String name) { this.name…
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Cannot resolve setImageUrl

“Hi everyone, I am working on the volley with recyclerviw. However, I spent a long time to figure out a bug. In this part: viewHolder.giftPicture.setImageUrl(IMAGE_URL, mImageLoader); I don’t know why it keeps saying ‘Cannot resolve setImageUrl’, it works in my other parts of code. Can anyone help me? Thanks.” public class NavigationRecyclerAdapter extends RecyclerView.Adapter<NavigationRecyclerAdapter.ViewHolder> { private Context mContext; private List<Gift>…
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Displaying table header in multiple page using Aspose words

Currently I’m working with exporting reports using Aspose Words in Java. I’m populating table with dynamic data but my main problem is when data reaches next page there is no header in exported docs. How can I get header for all pages in the exported file. Any suggestions will be appreciated. Source: java

How can i get equal date values when saving,and then get this value from entity field?

I can not solve specific problem with date format, in my Class repository. these are two methods, which i have this situation. import java.util.Date; //my local variabble private Date bonusStartDate; //My methods to get and set this variable @Temporal(TemporalType.TIMESTAMP) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) @Column(name = “bonus_start_date”) public Date getBonusStartDate() { return bonusStartDate; } public void setBonusStartDate(Date bonusStartDate) { this.bonusStartDate = bonusStartDate;…
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how can I find JRE version of running application in Linux server

I am getting below result, Does it mean I am having JDK 1.7.0_45 and JRE is 1.42 ? Please advise. $ javac -version Eclipse Java Compiler v_677_R32x, 3.2.1 release, Copyright IBM Corp 2000, 2006. All rights reserved. $ java -version java version “1.7.0_45” Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode) $ alternatives…
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How can i send an hex over spp bluetooth

I want to send this hex message over Bluetooth 0x45, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x54 I use this method to convert from string to byte: public static byte[] hexStringToByteArray(String s) { int len = s.length(); byte[] data = new byte[len / 2]; for (int i = 0; i < len; i += 2) {…
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Generate/download CSV file without storing on server

I’m using the apache.commons.csv library in Java to generate CSV and make it downloadable without storing on server using following code: try (OutputStreamWriter osw = new OutputStreamWriter(response.getOutputStream())){ csvWriter = new CSVPrinter(osw,CSVFormat.DEFAULT); writer.printRecord(row); response.setContentType(“text/csv”); response.setHeader(“Content-disposition”, “attachment; filename=”” + fileName + “”;”); catch(Exception e) { //Exception block } finally { try { csvWriter.flush(); } catch (IOException e) { logger.error(“Exception while flushing file…
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