Example usage for javax.xml.bind JAXBException getMessage

List of usage examples for javax.xml.bind JAXBException getMessage

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Introduction

In this page you can find the example usage for javax.xml.bind JAXBException getMessage.

Prototype

public String getMessage()

Source Link

Document

Returns the detail message string of this throwable.

Usage

From source file:com.xerox.amazonws.ec2.Jec2.java

/**
 * Returns a list of addresses associated with this account.
 *
 * @param addresses a list of zones to limit the results, or null
 * @return a list of addresses and their associated instance
 * @throws EC2Exception wraps checked exceptions
 *//* w  w  w .ja  va 2  s. co m*/
public List<AddressInfo> describeAddresses(List<String> addresses) throws EC2Exception {
    Map<String, String> params = new HashMap<String, String>();
    if (addresses != null && addresses.size() > 0) {
        for (int i = 0; i < addresses.size(); i++) {
            params.put("PublicIp." + (i + 1), addresses.get(i));
        }
    }
    GetMethod method = new GetMethod();
    try {
        DescribeAddressesResponse response = makeRequest(method, "DescribeAddresses", params,
                DescribeAddressesResponse.class);
        List<AddressInfo> ret = new ArrayList<AddressInfo>();
        DescribeAddressesResponseInfoType set = response.getAddressesSet();
        Iterator set_iter = set.getItems().iterator();
        while (set_iter.hasNext()) {
            DescribeAddressesResponseItemType item = (DescribeAddressesResponseItemType) set_iter.next();
            ret.add(new AddressInfo(item.getPublicIp(), item.getInstanceId()));
        }
        return ret;
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:com.xerox.amazonws.ec2.Jec2.java

protected List<ImageDescription> describeImages(Map<String, String> params) throws EC2Exception {
    GetMethod method = new GetMethod();
    try {/*from  w w  w . j a va 2 s.  c  o  m*/
        DescribeImagesResponse response = makeRequest(method, "DescribeImages", params,
                DescribeImagesResponse.class);
        List<ImageDescription> result = new ArrayList<ImageDescription>();
        DescribeImagesResponseInfoType set = response.getImagesSet();
        Iterator set_iter = set.getItems().iterator();
        while (set_iter.hasNext()) {
            DescribeImagesResponseItemType item = (DescribeImagesResponseItemType) set_iter.next();
            ArrayList<String> codes = new ArrayList<String>();
            ProductCodesSetType code_set = item.getProductCodes();
            if (code_set != null) {
                for (ProductCodesSetItemType code : code_set.getItems()) {
                    codes.add(code.getProductCode());
                }
            }
            result.add(new ImageDescription(item.getImageId(), item.getImageLocation(), item.getImageOwnerId(),
                    item.getImageState(), item.isIsPublic(), codes));
        }
        return result;
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:com.xerox.amazonws.ec2.Jec2.java

/**
 * Terminates a selection of running instances.
 * /*  w ww.  j  a  va 2s.co m*/
 * @param instanceIds A list of instances ({@link com.xerox.amazonws.ec2.ReservationDescription.Instance#instanceId}.
 * @return A list of {@link TerminatingInstanceDescription} instances.
 * @throws EC2Exception wraps checked exceptions
 */
public List<TerminatingInstanceDescription> terminateInstances(List<String> instanceIds) throws EC2Exception {
    Map<String, String> params = new HashMap<String, String>();
    for (int i = 0; i < instanceIds.size(); i++) {
        params.put("InstanceId." + (i + 1), instanceIds.get(i));
    }
    GetMethod method = new GetMethod();
    try {
        TerminateInstancesResponse response = makeRequest(method, "TerminateInstances", params,
                TerminateInstancesResponse.class);
        response.getInstancesSet();
        List<TerminatingInstanceDescription> res = new ArrayList<TerminatingInstanceDescription>();
        TerminateInstancesResponseInfoType set = response.getInstancesSet();
        Iterator instances_iter = set.getItems().iterator();
        while (instances_iter.hasNext()) {
            TerminateInstancesResponseItemType rsp_item = (TerminateInstancesResponseItemType) instances_iter
                    .next();
            res.add(new TerminatingInstanceDescription(rsp_item.getInstanceId(),
                    rsp_item.getPreviousState().getName(), rsp_item.getPreviousState().getCode(),
                    rsp_item.getShutdownState().getName(), rsp_item.getShutdownState().getCode()));
        }
        return res;
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:com.xerox.amazonws.ec2.Jec2.java

/**
 * Gets a list of running instances./*from   w  w  w.j a  v a 2s  .c  om*/
 * <p>
 * If the list of instance IDs is empty then a list of all instances owned
 * by the caller will be returned. Otherwise the list will contain
 * information for the requested instances only.
 * 
 * @param instanceIds A list of instances ({@link com.xerox.amazonws.ec2.ReservationDescription.Instance#instanceId}.
 * @return A list of {@link com.xerox.amazonws.ec2.ReservationDescription} instances.
 * @throws EC2Exception wraps checked exceptions
 */
public List<ReservationDescription> describeInstances(List<String> instanceIds) throws EC2Exception {
    Map<String, String> params = new HashMap<String, String>();
    for (int i = 0; i < instanceIds.size(); i++) {
        params.put("InstanceId." + (i + 1), instanceIds.get(i));
    }
    GetMethod method = new GetMethod();
    try {
        DescribeInstancesResponse response = makeRequest(method, "DescribeInstances", params,
                DescribeInstancesResponse.class);
        List<ReservationDescription> result = new ArrayList<ReservationDescription>();
        ReservationSetType res_set = response.getReservationSet();
        Iterator reservations_iter = res_set.getItems().iterator();
        while (reservations_iter.hasNext()) {
            RunInstancesResponse item = (RunInstancesResponse) reservations_iter.next();
            ReservationDescription res = new ReservationDescription(item.getOwnerId(), item.getReservationId());
            GroupSetType grp_set = item.getGroupSet();
            Iterator groups_iter = grp_set.getItems().iterator();
            while (groups_iter.hasNext()) {
                GroupItemType rsp_item = (GroupItemType) groups_iter.next();
                res.addGroup(rsp_item.getGroupId());
            }
            RunningInstancesSetType set = item.getInstancesSet();
            Iterator instances_iter = set.getItems().iterator();
            while (instances_iter.hasNext()) {
                RunningInstancesItemType rsp_item = (RunningInstancesItemType) instances_iter.next();
                res.addInstance(rsp_item.getImageId(), rsp_item.getInstanceId(), rsp_item.getPrivateDnsName(),
                        rsp_item.getDnsName(), rsp_item.getInstanceState(), rsp_item.getReason(),
                        rsp_item.getKeyName(), rsp_item.getLaunchTime().toGregorianCalendar(),
                        InstanceType.getTypeFromString(rsp_item.getInstanceType()),
                        rsp_item.getPlacement().getAvailabilityZone(), rsp_item.getKernelId(),
                        rsp_item.getRamdiskId());
            }
            result.add(res);
        }
        return result;
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:com.xerox.amazonws.ec2.Jec2.java

/**
 * Gets a list of security groups and their associated permissions.  
 * //  w  w  w.  j  a v  a  2  s .c om
 * @param groupNames A list of groups to describe.
 * @return A list of groups ({@link GroupDescription}.
 * @throws EC2Exception wraps checked exceptions
 */
public List<GroupDescription> describeSecurityGroups(List<String> groupNames) throws EC2Exception {
    Map<String, String> params = new HashMap<String, String>();
    for (int i = 0; i < groupNames.size(); i++) {
        params.put("GroupName." + (i + 1), groupNames.get(i));
    }
    GetMethod method = new GetMethod();
    try {
        DescribeSecurityGroupsResponse response = makeRequest(method, "DescribeSecurityGroups", params,
                DescribeSecurityGroupsResponse.class);
        List<GroupDescription> result = new ArrayList<GroupDescription>();
        SecurityGroupSetType rsp_set = response.getSecurityGroupInfo();
        Iterator set_iter = rsp_set.getItems().iterator();
        while (set_iter.hasNext()) {
            SecurityGroupItemType item = (SecurityGroupItemType) set_iter.next();
            GroupDescription group = new GroupDescription(item.getGroupName(), item.getGroupDescription(),
                    item.getOwnerId());
            IpPermissionSetType perms = item.getIpPermissions();
            Iterator perm_iter = perms.getItems().iterator();
            while (perm_iter.hasNext()) {
                IpPermissionType perm = (IpPermissionType) perm_iter.next();
                GroupDescription.IpPermission group_perms = group.addPermission(perm.getIpProtocol(),
                        perm.getFromPort(), perm.getToPort());

                Iterator group_iter = perm.getGroups().getItems().iterator();
                while (group_iter.hasNext()) {
                    UserIdGroupPairType uid_group = (UserIdGroupPairType) group_iter.next();
                    group_perms.addUserGroupPair(uid_group.getUserId(), uid_group.getGroupName());
                }
                Iterator iprange_iter = perm.getIpRanges().getItems().iterator();
                while (iprange_iter.hasNext()) {
                    IpRangeItemType range = (IpRangeItemType) iprange_iter.next();
                    group_perms.addIpRange(range.getCidrIp());
                }
            }
            result.add(group);
        }
        return result;
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:com.xerox.amazonws.ec2.Jec2.java

/**
 * Modifies an attribute by the given items with the given operation. 
 *
 * @param imageId The ID of the AMI to modify the attributes for.
 * @param attribute The name of the attribute to change.
 * @param operationType The name of the operation to change. May be add or remove.
 * @throws EC2Exception wraps checked exceptions
 *//* ww w . ja v  a  2  s  .  c  om*/
public void modifyImageAttribute(String imageId, ImageListAttribute attribute,
        ImageListAttributeOperationType operationType) throws EC2Exception {
    Map<String, String> params = new HashMap<String, String>();
    params.put("ImageId", imageId);
    if (attribute.getType().equals(ImageAttribute.ImageAttributeType.launchPermission)) {
        params.put("Attribute", "launchPermission");
        switch (operationType) {
        case add:
            params.put("OperationType", "add");
            break;
        case remove:
            params.put("OperationType", "remove");
            break;
        default:
            throw new IllegalArgumentException("Unknown attribute operation.");
        }
    } else if (attribute.getType().equals(ImageAttribute.ImageAttributeType.productCodes)) {
        params.put("Attribute", "productCodes");
    }

    int gNum = 1;
    int iNum = 1;
    int pNum = 1;
    for (ImageListAttributeItem item : attribute.getImageListAttributeItems()) {
        switch (item.getType()) {
        case group:
            params.put("UserGroup." + gNum, item.getValue());
            gNum++;
            break;
        case userId:
            params.put("UserId." + iNum, item.getValue());
            iNum++;
            break;
        case productCode:
            params.put("ProductCode." + pNum, item.getValue());
            pNum++;
            break;
        default:
            throw new IllegalArgumentException("Unknown item type.");
        }
    }
    GetMethod method = new GetMethod();
    try {
        ModifyImageAttributeResponse response = makeRequest(method, "ModifyImageAttribute", params,
                ModifyImageAttributeResponse.class);
        if (!response.isReturn()) {
            throw new EC2Exception("Could not reset image attribute. No reason given.");
        }
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:com.xerox.amazonws.ec2.Jec2.java

/**
 * Describes an attribute of an AMI.// ww w  .j  av a2s .  c om
 *
 * @param imageId The AMI for which the attribute is described.
 * @param imageAttribute The attribute type to describe.
 * @return An object containing the imageId and a list of list attribute item types and values.
 * @throws EC2Exception wraps checked exceptions
 */
public DescribeImageAttributeResult describeImageAttribute(String imageId,
        ImageAttribute.ImageAttributeType imageAttribute) throws EC2Exception {
    Map<String, String> params = new HashMap<String, String>();
    params.put("ImageId", imageId);
    if (imageAttribute.equals(ImageAttribute.ImageAttributeType.launchPermission)) {
        params.put("Attribute", "launchPermission");
    } else if (imageAttribute.equals(ImageAttribute.ImageAttributeType.productCodes)) {
        params.put("Attribute", "productCodes");
    }
    GetMethod method = new GetMethod();
    try {
        DescribeImageAttributeResponse response = makeRequest(method, "DescribeImageAttribute", params,
                DescribeImageAttributeResponse.class);
        ImageListAttribute attribute = null;
        if (response.getLaunchPermission() != null) {
            LaunchPermissionListType list = response.getLaunchPermission();
            attribute = new LaunchPermissionAttribute();
            java.util.ListIterator i = list.getItems().listIterator();
            while (i.hasNext()) {
                LaunchPermissionItemType item = (LaunchPermissionItemType) i.next();
                if (item.getGroup() != null) {
                    attribute.addImageListAttributeItem(ImageListAttribute.ImageListAttributeItemType.group,
                            item.getGroup());
                } else if (item.getUserId() != null) {
                    attribute.addImageListAttributeItem(ImageListAttribute.ImageListAttributeItemType.userId,
                            item.getUserId());
                }
            }
        } else if (response.getProductCodes() != null) {
            ProductCodeListType list = response.getProductCodes();
            attribute = new ProductCodesAttribute();
            java.util.ListIterator i = list.getItems().listIterator();
            while (i.hasNext()) {
                ProductCodeItemType item = (ProductCodeItemType) i.next();
                if (item.getProductCode() != null) {
                    attribute.addImageListAttributeItem(
                            ImageListAttribute.ImageListAttributeItemType.productCode, item.getProductCode());
                }
            }
        }
        ArrayList<String> codes = new ArrayList<String>();
        ProductCodeListType set = response.getProductCodes();
        if (set != null) {
            for (ProductCodeItemType code : set.getItems()) {
                codes.add(code.getProductCode());
            }
        }
        NullableAttributeValueType val = response.getKernel();
        String kernel = (val != null) ? val.getValue() : "";
        val = response.getRamdisk();
        String ramdisk = (val != null) ? val.getValue() : "";
        ArrayList<BlockDeviceMapping> bdm = new ArrayList<BlockDeviceMapping>();
        BlockDeviceMappingType bdmSet = response.getBlockDeviceMapping();
        if (bdmSet != null) {
            for (BlockDeviceMappingItemType mapping : bdmSet.getItems()) {
                bdm.add(new BlockDeviceMapping(mapping.getVirtualName(), mapping.getDeviceName()));
            }
        }

        return new DescribeImageAttributeResult(response.getImageId(), attribute, codes, kernel, ramdisk, bdm);
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:com.xerox.amazonws.ec2.Jec2.java

/**
 * Requests reservation of a number of instances.
 * <p>/* w  w  w  . j  a  v a2  s  .c  om*/
 * This will begin launching those instances for which a reservation was
 * successfully obtained.
 * <p>
 * If less than <code>minCount</code> instances are available no instances
 * will be reserved.
 * 
 * @param lc object containing launch configuration
 * @return A {@link com.xerox.amazonws.ec2.ReservationDescription} describing the instances that
 *         have been reserved.
 * @throws EC2Exception wraps checked exceptions
 */
public ReservationDescription runInstances(LaunchConfiguration lc) throws EC2Exception {
    Map<String, String> params = new HashMap<String, String>();
    params.put("ImageId", lc.getImageId());
    params.put("MinCount", "" + lc.getMinCount());
    params.put("MaxCount", "" + lc.getMaxCount());

    byte[] userData = lc.getUserData();
    if (userData != null && userData.length > 0) {
        params.put("UserData", new String(Base64.encodeBase64(userData)));
    }
    params.put("AddressingType", "public");
    String keyName = lc.getKeyName();
    if (keyName != null && !keyName.trim().equals("")) {
        params.put("KeyName", keyName);
    }

    if (lc.getSecurityGroup() != null) {
        for (int i = 0; i < lc.getSecurityGroup().size(); i++) {
            params.put("SecurityGroup." + (i + 1), lc.getSecurityGroup().get(i));
        }
    }
    params.put("InstanceType", lc.getInstanceType().getTypeId());
    if (lc.getAvailabilityZone() != null && !lc.getAvailabilityZone().trim().equals("")) {
        params.put("Placement.AvailabilityZone", lc.getAvailabilityZone());
    }
    if (lc.getKernelId() != null && !lc.getKernelId().trim().equals("")) {
        params.put("KernelId", lc.getKernelId());
    }
    if (lc.getRamdiskId() != null && !lc.getRamdiskId().trim().equals("")) {
        params.put("RamdiskId", lc.getRamdiskId());
    }
    if (lc.getBlockDevicemappings() != null) {
        for (int i = 0; i < lc.getBlockDevicemappings().size(); i++) {
            BlockDeviceMapping bdm = lc.getBlockDevicemappings().get(i);
            params.put("BlockDeviceMapping." + (i + 1) + ".VirtualName", bdm.getVirtualName());
            params.put("BlockDeviceMapping." + (i + 1) + ".DeviceName", bdm.getDeviceName());
        }
    }

    GetMethod method = new GetMethod();
    try {
        RunInstancesResponse response = makeRequest(method, "RunInstances", params, RunInstancesResponse.class);
        ReservationDescription res = new ReservationDescription(response.getOwnerId(),
                response.getReservationId());
        GroupSetType grp_set = response.getGroupSet();
        Iterator groups_iter = grp_set.getItems().iterator();
        while (groups_iter.hasNext()) {
            GroupItemType rsp_item = (GroupItemType) groups_iter.next();
            res.addGroup(rsp_item.getGroupId());
        }
        RunningInstancesSetType set = response.getInstancesSet();
        Iterator instances_iter = set.getItems().iterator();
        while (instances_iter.hasNext()) {
            RunningInstancesItemType rsp_item = (RunningInstancesItemType) instances_iter.next();
            res.addInstance(rsp_item.getImageId(), rsp_item.getInstanceId(), rsp_item.getPrivateDnsName(),
                    rsp_item.getDnsName(), rsp_item.getInstanceState(), rsp_item.getReason(),
                    rsp_item.getKeyName(), rsp_item.getLaunchTime().toGregorianCalendar(),
                    InstanceType.getTypeFromString(rsp_item.getInstanceType()),
                    rsp_item.getPlacement().getAvailabilityZone(), rsp_item.getKernelId(),
                    rsp_item.getRamdiskId());
        }
        return res;
    } catch (JAXBException ex) {
        throw new EC2Exception("Problem parsing returned message.", ex);
    } catch (MalformedURLException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } catch (IOException ex) {
        throw new EC2Exception(ex.getMessage(), ex);
    } finally {
        method.releaseConnection();
    }
}

From source file:osh.busdriver.mielegateway.MieleGatewayDispatcher.java

@Override
public void run() {
    MieleDeviceList deviceList = new MieleDeviceList();
    JAXBContext context;//from   www. j av a 2s . c om

    // initialize empty device list
    deviceList.setDevices(Collections.<MieleDeviceHomeBusData>emptyList());

    try {
        context = JAXBContext.newInstance(MieleDeviceList.class);
    } catch (JAXBException e1) {
        logger.logError("unable to initialize XML marshaller", e1);
        return;
    }

    while (true) {
        // fetch device list
        try {
            HttpGet httpget = new HttpGet(homebusUrl);
            HttpResponse response = httpclient.execute(httpget, httpcontext);
            HttpEntity entity = response.getEntity();

            if (entity != null) {
                InputStream instream = entity.getContent();

                // Process the XML
                try {
                    Unmarshaller unmarshaller = context.createUnmarshaller();
                    deviceList = (MieleDeviceList) unmarshaller.unmarshal(instream);
                } catch (JAXBException e) {
                    logger.logError("failed to unmarshall miele homebus xml", e);
                    deviceList.setDevices(Collections.<MieleDeviceHomeBusData>emptyList()); // set empty list
                } finally {
                    instream.close();
                    if (deviceList == null) {
                        deviceList = new MieleDeviceList();
                    }
                    if (deviceList.getDevices() == null) {
                        deviceList.setDevices(Collections.<MieleDeviceHomeBusData>emptyList()); // set empty list
                    }
                }
            }
        } catch (IOException e1) {
            deviceList.setDevices(Collections.<MieleDeviceHomeBusData>emptyList()); // set empty list
            logger.logWarning("miele@home bus driver: failed to fetch device list; " + e1.getMessage());
            logger.logInfo("miele@home bus driver: failed to fetch device list", e1);
        }

        // fetch device details
        for (MieleDeviceHomeBusData dev : deviceList.getDevices()) {
            try {
                HttpGet httpget = new HttpGet(dev.getDetailsUrl());
                HttpResponse response = httpclient.execute(httpget, httpcontext);
                HttpEntity entity = response.getEntity();
                if (entity != null) {
                    InputStream instream = entity.getContent();

                    // Process the XML
                    try {
                        Unmarshaller unmarshaller = context.createUnmarshaller();
                        MieleApplianceRawData deviceDetails = (MieleApplianceRawData) unmarshaller
                                .unmarshal(instream);
                        dev.setDeviceDetails(deviceDetails);
                    } catch (JAXBException e) {
                        logger.logError("failed to unmarshall miele homebus detail xml", e);
                    } finally {
                        instream.close();
                    }
                }
            } catch (IOException e2) {
                // ignore
            }
        }

        // store device state
        synchronized (this) {
            deviceData.clear();
            for (MieleDeviceHomeBusData dev : deviceList.getDevices()) {
                deviceData.put(dev.getUid(), dev);
            }
            this.notifyAll();
        }

        // wait a second till next state fetch
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e3) {
            logger.logError("sleep interrupted - miele@home bus driver dies right now...");
            break;
        }
    }
}

From source file:biz.wolschon.finance.jgnucash.panels.TaxReportPanel.java

/**
 * @param aFile the file to write to/*  w  w  w .  j  a  v a 2 s .c  o m*/
 * @param aGran the granularity
 */
private void exportCSV(final File aFile, final ExportGranularities aGran) {
    //TODO: implement CSV-export

    FileWriter fw = null;
    try {
        fw = new FileWriter(aFile);
        // write headers
        List<TransactionSum> sums = mySums;
        fw.write("day");
        for (TransactionSum transactionSum : sums) {
            fw.write(",");
            fw.write(transactionSum.getName());
        }
        fw.write("\n");

        // write data
        GregorianCalendar cal = new GregorianCalendar();
        int add = aGran.getCalendarConstant();
        DateFormat dateFormat = DateFormat.getDateInstance();
        //NumberFormat numberFormat = NumberFormat.getInstance();
        // we do NOT use getCurrencyInstance because it
        // contains a locale-specific currency-symbol
        for (int i = 0; i < 100; i++) {
            Date maxDate = cal.getTime();

            fw.write(dateFormat.format(maxDate));
            int transactionsCounted = 0;
            for (TransactionSum transactionSum : sums) {
                fw.write(",");
                try {
                    transactionSum.setMaxDate(maxDate);
                    FixedPointNumber value = transactionSum.getValue();
                    if (value != null) {
                        //fw.write(numberFormat.format(value));
                        fw.write(value.toString());
                    }
                    transactionsCounted += transactionSum.getTransactionsCounted();
                } catch (JAXBException e) {
                    LOGGER.error("Error calculating one of the TransactionSums", e);
                    fw.write("ERROR");
                }
            }
            fw.write("\n");
            if (transactionsCounted == 0) {
                break;
                // we are walking back in time,
                // when there are no matching transactions,
                // all future runs will we a waste of time.
                // This happens often when add==YEAR
            }

            long old = cal.getTimeInMillis();
            if (add == GregorianCalendar.MONTH) {
                cal.set(GregorianCalendar.DAY_OF_MONTH, 1);
            }
            if (add == GregorianCalendar.YEAR) {
                cal.set(GregorianCalendar.DAY_OF_MONTH, 1);
                cal.set(GregorianCalendar.MONTH, 1);
            }
            // usually we are in the middle of a month,
            // so do not skip the first day of the current
            // month
            if (i != 0 || old == cal.getTimeInMillis() || add == GregorianCalendar.DAY_OF_MONTH) {
                cal.add(add, -1);
            }
        }

        fw.close();
        fw = null;
    } catch (IOException e) {
        LOGGER.error("cannot write csv-file", e);
        JOptionPane.showMessageDialog(this, "Cannot write CSV-file\n" + e.getMessage());
    } finally {
        if (fw != null) {
            try {
                fw.close();
            } catch (IOException e) {
                LOGGER.error("cannot close csv-file", e);
            }
        }
        for (TransactionSum transactionSum : mySums) {
            try {
                transactionSum.setMaxDate(null);
            } catch (JAXBException e) {
                LOGGER.error("cannot set maxDate back to it's original value", e);
            }
        }
    }
}